Home / 732,543,276.22-1,010,909,489.22-402,539,672.86

Finding the Fourth Proportional to 732,543,276.22, 1,010,909,489.22 and 402,539,672.86

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Solution

The fourth proportional to 732,543,276.22, 1,010,909,489.22 and 402,539,672.86 is: 555,504,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,543,276.22 : 1,010,909,489.22 = 402,539,672.86 : x
  2. Step 2: Convert to fraction form
    732,543,276.22/1,010,909,489.22 = 402,539,672.86/x
  3. Step 3: Cross multiply
    732,543,276.22x = 1,010,909,489.22 × 402,539,672.86
  4. Step 4: Simplify right side
    732,543,276.22x = 406,931,175,081,688,512
  5. Step 5: Solve for x
    x = 406,931,175,081,688,512/732,543,276.22
  6. Step 6: Final answer
    x = 555,504,621.08

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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.