Home / 732,543,276.24-1,010,909,489.22-402,539,672.88

Finding the Fourth Proportional to 732,543,276.24, 1,010,909,489.22 and 402,539,672.88

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Solution

The fourth proportional to 732,543,276.24, 1,010,909,489.22 and 402,539,672.88 is: 555,504,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,543,276.24 : 1,010,909,489.22 = 402,539,672.88 : x
  2. Step 2: Convert to fraction form
    732,543,276.24/1,010,909,489.22 = 402,539,672.88/x
  3. Step 3: Cross multiply
    732,543,276.24x = 1,010,909,489.22 × 402,539,672.88
  4. Step 4: Simplify right side
    732,543,276.24x = 406,931,175,101,906,688
  5. Step 5: Solve for x
    x = 406,931,175,101,906,688/732,543,276.24
  6. Step 6: Final answer
    x = 555,504,621.09

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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.