Home / 1,125,189,779.84-1,687,719,299.52-338,226,439.04

Finding the Fourth Proportional to 1,125,189,779.84, 1,687,719,299.52 and 338,226,439.04

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Solution

The fourth proportional to 1,125,189,779.84, 1,687,719,299.52 and 338,226,439.04 is: 507,320,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,189,779.84 : 1,687,719,299.52 = 338,226,439.04 : x
  2. Step 2: Convert to fraction form
    1,125,189,779.84/1,687,719,299.52 = 338,226,439.04/x
  3. Step 3: Cross multiply
    1,125,189,779.84x = 1,687,719,299.52 × 338,226,439.04
  4. Step 4: Simplify right side
    1,125,189,779.84x = 570,831,288,775,732,800
  5. Step 5: Solve for x
    x = 570,831,288,775,732,800/1,125,189,779.84
  6. Step 6: Final answer
    x = 507,320,008.59

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1.5x scale

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.