Home / 991,755,527.20-1,368,581,529.35-539,635,361.30

Finding the Fourth Proportional to 991,755,527.20, 1,368,581,529.35 and 539,635,361.30

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Solution

The fourth proportional to 991,755,527.20, 1,368,581,529.35 and 539,635,361.30 is: 744,674,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,755,527.20 : 1,368,581,529.35 = 539,635,361.30 : x
  2. Step 2: Convert to fraction form
    991,755,527.20/1,368,581,529.35 = 539,635,361.30/x
  3. Step 3: Cross multiply
    991,755,527.20x = 1,368,581,529.35 × 539,635,361.30
  4. Step 4: Simplify right side
    991,755,527.20x = 738,534,988,059,293,696
  5. Step 5: Solve for x
    x = 738,534,988,059,293,696/991,755,527.20
  6. Step 6: Final answer
    x = 744,674,436.19

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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.