Home / 732,970,211.34-1,011,491,705.60-398,422,828.97

Finding the Fourth Proportional to 732,970,211.34, 1,011,491,705.60 and 398,422,828.97

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Solution

The fourth proportional to 732,970,211.34, 1,011,491,705.60 and 398,422,828.97 is: 549,819,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,970,211.34 : 1,011,491,705.60 = 398,422,828.97 : x
  2. Step 2: Convert to fraction form
    732,970,211.34/1,011,491,705.60 = 398,422,828.97/x
  3. Step 3: Cross multiply
    732,970,211.34x = 1,011,491,705.60 × 398,422,828.97
  4. Step 4: Simplify right side
    732,970,211.34x = 403,001,386,824,842,432
  5. Step 5: Solve for x
    x = 403,001,386,824,842,432/732,970,211.34
  6. Step 6: Final answer
    x = 549,819,597.84

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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.