Home / 732,543,270.21-1,010,909,480.94-402,539,666.85

Finding the Fourth Proportional to 732,543,270.21, 1,010,909,480.94 and 402,539,666.85

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Solution

The fourth proportional to 732,543,270.21, 1,010,909,480.94 and 402,539,666.85 is: 555,504,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,543,270.21 : 1,010,909,480.94 = 402,539,666.85 : x
  2. Step 2: Convert to fraction form
    732,543,270.21/1,010,909,480.94 = 402,539,666.85/x
  3. Step 3: Cross multiply
    732,543,270.21x = 1,010,909,480.94 × 402,539,666.85
  4. Step 4: Simplify right side
    732,543,270.21x = 406,931,165,673,094,080
  5. Step 5: Solve for x
    x = 406,931,165,673,094,080/732,543,270.21
  6. Step 6: Final answer
    x = 555,504,612.79

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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.