Home / 442,547,288.70-663,373,035.45-260,700,863.10

Finding the Fourth Proportional to 442,547,288.70, 663,373,035.45 and 260,700,863.10

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Solution

The fourth proportional to 442,547,288.70, 663,373,035.45 and 260,700,863.10 is: 390,787,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,547,288.70 : 663,373,035.45 = 260,700,863.10 : x
  2. Step 2: Convert to fraction form
    442,547,288.70/663,373,035.45 = 260,700,863.10/x
  3. Step 3: Cross multiply
    442,547,288.70x = 663,373,035.45 × 260,700,863.10
  4. Step 4: Simplify right side
    442,547,288.70x = 172,941,922,899,081,920
  5. Step 5: Solve for x
    x = 172,941,922,899,081,920/442,547,288.70
  6. Step 6: Final answer
    x = 390,787,441.96

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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.