Home / 500,346,864.92-750,614,579.94-189,547,571

Finding the Fourth Proportional to 500,346,864.92, 750,614,579.94 and 189,547,571

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Solution

The fourth proportional to 500,346,864.92, 750,614,579.94 and 189,547,571 is: 284,357,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,346,864.92 : 750,614,579.94 = 189,547,571 : x
  2. Step 2: Convert to fraction form
    500,346,864.92/750,614,579.94 = 189,547,571/x
  3. Step 3: Cross multiply
    500,346,864.92x = 750,614,579.94 × 189,547,571
  4. Step 4: Simplify right side
    500,346,864.92x = 142,277,170,384,812,336
  5. Step 5: Solve for x
    x = 142,277,170,384,812,336/500,346,864.92
  6. Step 6: Final answer
    x = 284,357,073.78

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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.