Home / 560,820,206.41-840,478,358.04-436,472,983.78

Finding the Fourth Proportional to 560,820,206.41, 840,478,358.04 and 436,472,983.78

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Solution

The fourth proportional to 560,820,206.41, 840,478,358.04 and 436,472,983.78 is: 654,124,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,820,206.41 : 840,478,358.04 = 436,472,983.78 : x
  2. Step 2: Convert to fraction form
    560,820,206.41/840,478,358.04 = 436,472,983.78/x
  3. Step 3: Cross multiply
    560,820,206.41x = 840,478,358.04 × 436,472,983.78
  4. Step 4: Simplify right side
    560,820,206.41x = 366,846,096,736,233,920
  5. Step 5: Solve for x
    x = 366,846,096,736,233,920/560,820,206.41
  6. Step 6: Final answer
    x = 654,124,249.70

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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.