Home / 1,430,586,108.23-1,974,226,623.59-866,063,496.47

Finding the Fourth Proportional to 1,430,586,108.23, 1,974,226,623.59 and 866,063,496.47

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Solution

The fourth proportional to 1,430,586,108.23, 1,974,226,623.59 and 866,063,496.47 is: 1,195,178,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,586,108.23 : 1,974,226,623.59 = 866,063,496.47 : x
  2. Step 2: Convert to fraction form
    1,430,586,108.23/1,974,226,623.59 = 866,063,496.47/x
  3. Step 3: Cross multiply
    1,430,586,108.23x = 1,974,226,623.59 × 866,063,496.47
  4. Step 4: Simplify right side
    1,430,586,108.23x = 1,709,805,612,442,812,160
  5. Step 5: Solve for x
    x = 1,709,805,612,442,812,160/1,430,586,108.23
  6. Step 6: Final answer
    x = 1,195,178,397.59

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Double scale
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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.