Home / 1,129,868,671.28-1,694,808,419.72-342,929,160.08

Finding the Fourth Proportional to 1,129,868,671.28, 1,694,808,419.72 and 342,929,160.08

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Solution

The fourth proportional to 1,129,868,671.28, 1,694,808,419.72 and 342,929,160.08 is: 514,395,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,868,671.28 : 1,694,808,419.72 = 342,929,160.08 : x
  2. Step 2: Convert to fraction form
    1,129,868,671.28/1,694,808,419.72 = 342,929,160.08/x
  3. Step 3: Cross multiply
    1,129,868,671.28x = 1,694,808,419.72 × 342,929,160.08
  4. Step 4: Simplify right side
    1,129,868,671.28x = 581,199,227,871,091,712
  5. Step 5: Solve for x
    x = 581,199,227,871,091,712/1,129,868,671.28
  6. Step 6: Final answer
    x = 514,395,382.97

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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.