Home / 732,543,275.22-1,010,909,487.84-402,539,671.86

Finding the Fourth Proportional to 732,543,275.22, 1,010,909,487.84 and 402,539,671.86

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Solution

The fourth proportional to 732,543,275.22, 1,010,909,487.84 and 402,539,671.86 is: 555,504,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,543,275.22 : 1,010,909,487.84 = 402,539,671.86 : x
  2. Step 2: Convert to fraction form
    732,543,275.22/1,010,909,487.84 = 402,539,671.86/x
  3. Step 3: Cross multiply
    732,543,275.22x = 1,010,909,487.84 × 402,539,671.86
  4. Step 4: Simplify right side
    732,543,275.22x = 406,931,173,515,274,304
  5. Step 5: Solve for x
    x = 406,931,173,515,274,304/732,543,275.22
  6. Step 6: Final answer
    x = 555,504,619.70

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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.