Home / 1,217,893,396.12-1,826,430,668.34-441,376,476.28

Finding the Fourth Proportional to 1,217,893,396.12, 1,826,430,668.34 and 441,376,476.28

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Solution

The fourth proportional to 1,217,893,396.12, 1,826,430,668.34 and 441,376,476.28 is: 661,916,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,893,396.12 : 1,826,430,668.34 = 441,376,476.28 : x
  2. Step 2: Convert to fraction form
    1,217,893,396.12/1,826,430,668.34 = 441,376,476.28/x
  3. Step 3: Cross multiply
    1,217,893,396.12x = 1,826,430,668.34 × 441,376,476.28
  4. Step 4: Simplify right side
    1,217,893,396.12x = 806,143,532,561,634,432
  5. Step 5: Solve for x
    x = 806,143,532,561,634,432/1,217,893,396.12
  6. Step 6: Final answer
    x = 661,916,334.49

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.