Home / 1,657,680,978.38-2,485,295,639.35-1,002,486,343.59

Finding the Fourth Proportional to 1,657,680,978.38, 2,485,295,639.35 and 1,002,486,343.59

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Solution

The fourth proportional to 1,657,680,978.38, 2,485,295,639.35 and 1,002,486,343.59 is: 1,502,988,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,680,978.38 : 2,485,295,639.35 = 1,002,486,343.59 : x
  2. Step 2: Convert to fraction form
    1,657,680,978.38/2,485,295,639.35 = 1,002,486,343.59/x
  3. Step 3: Cross multiply
    1,657,680,978.38x = 2,485,295,639.35 × 1,002,486,343.59
  4. Step 4: Simplify right side
    1,657,680,978.38x = 2,491,474,938,226,798,080
  5. Step 5: Solve for x
    x = 2,491,474,938,226,798,080/1,657,680,978.38
  6. Step 6: Final answer
    x = 1,502,988,192.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.