Home / 1,430,586,045.10-1,974,226,536.48-866,063,433.34

Finding the Fourth Proportional to 1,430,586,045.10, 1,974,226,536.48 and 866,063,433.34

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Solution

The fourth proportional to 1,430,586,045.10, 1,974,226,536.48 and 866,063,433.34 is: 1,195,178,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,586,045.10 : 1,974,226,536.48 = 866,063,433.34 : x
  2. Step 2: Convert to fraction form
    1,430,586,045.10/1,974,226,536.48 = 866,063,433.34/x
  3. Step 3: Cross multiply
    1,430,586,045.10x = 1,974,226,536.48 × 866,063,433.34
  4. Step 4: Simplify right side
    1,430,586,045.10x = 1,709,805,412,374,805,760
  5. Step 5: Solve for x
    x = 1,709,805,412,374,805,760/1,430,586,045.10
  6. Step 6: Final answer
    x = 1,195,178,310.48

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Half scale
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Double scale
Find fourth proportional to 1,430,586,046.10, 1,974,226,537.86 and 866,063,434.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.