Home / 486,057,724.77-729,088,478.69-117,592,085.82

Finding the Fourth Proportional to 486,057,724.77, 729,088,478.69 and 117,592,085.82

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Solution

The fourth proportional to 486,057,724.77, 729,088,478.69 and 117,592,085.82 is: 176,388,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,057,724.77 : 729,088,478.69 = 117,592,085.82 : x
  2. Step 2: Convert to fraction form
    486,057,724.77/729,088,478.69 = 117,592,085.82/x
  3. Step 3: Cross multiply
    486,057,724.77x = 729,088,478.69 × 117,592,085.82
  4. Step 4: Simplify right side
    486,057,724.77x = 85,735,034,956,487,728
  5. Step 5: Solve for x
    x = 85,735,034,956,487,728/486,057,724.77
  6. Step 6: Final answer
    x = 176,388,586.35

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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.