Home / 991,755,526.70-1,368,581,528.66-539,635,360.80

Finding the Fourth Proportional to 991,755,526.70, 1,368,581,528.66 and 539,635,360.80

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Solution

The fourth proportional to 991,755,526.70, 1,368,581,528.66 and 539,635,360.80 is: 744,674,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,755,526.70 : 1,368,581,528.66 = 539,635,360.80 : x
  2. Step 2: Convert to fraction form
    991,755,526.70/1,368,581,528.66 = 539,635,360.80/x
  3. Step 3: Cross multiply
    991,755,526.70x = 1,368,581,528.66 × 539,635,360.80
  4. Step 4: Simplify right side
    991,755,526.70x = 738,534,987,002,654,592
  5. Step 5: Solve for x
    x = 738,534,987,002,654,592/991,755,526.70
  6. Step 6: Final answer
    x = 744,674,435.50

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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.