Home / 981,227,751.81-1,472,496,158.55-508,962,051.06

Finding the Fourth Proportional to 981,227,751.81, 1,472,496,158.55 and 508,962,051.06

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Solution

The fourth proportional to 981,227,751.81, 1,472,496,158.55 and 508,962,051.06 is: 763,782,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,227,751.81 : 1,472,496,158.55 = 508,962,051.06 : x
  2. Step 2: Convert to fraction form
    981,227,751.81/1,472,496,158.55 = 508,962,051.06/x
  3. Step 3: Cross multiply
    981,227,751.81x = 1,472,496,158.55 × 508,962,051.06
  4. Step 4: Simplify right side
    981,227,751.81x = 749,444,665,033,578,880
  5. Step 5: Solve for x
    x = 749,444,665,033,578,880/981,227,751.81
  6. Step 6: Final answer
    x = 763,782,581.21

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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.