Home / 885,744,103.20-1,328,616,154.80-472,495,581.60

Finding the Fourth Proportional to 885,744,103.20, 1,328,616,154.80 and 472,495,581.60

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Solution

The fourth proportional to 885,744,103.20, 1,328,616,154.80 and 472,495,581.60 is: 708,743,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,744,103.20 : 1,328,616,154.80 = 472,495,581.60 : x
  2. Step 2: Convert to fraction form
    885,744,103.20/1,328,616,154.80 = 472,495,581.60/x
  3. Step 3: Cross multiply
    885,744,103.20x = 1,328,616,154.80 × 472,495,581.60
  4. Step 4: Simplify right side
    885,744,103.20x = 627,765,262,785,381,632
  5. Step 5: Solve for x
    x = 627,765,262,785,381,632/885,744,103.20
  6. Step 6: Final answer
    x = 708,743,372.40

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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.