Home / 459,130,678.74-688,696,516.98-114,084,305.73

Finding the Fourth Proportional to 459,130,678.74, 688,696,516.98 and 114,084,305.73

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Solution

The fourth proportional to 459,130,678.74, 688,696,516.98 and 114,084,305.73 is: 171,126,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,130,678.74 : 688,696,516.98 = 114,084,305.73 : x
  2. Step 2: Convert to fraction form
    459,130,678.74/688,696,516.98 = 114,084,305.73/x
  3. Step 3: Cross multiply
    459,130,678.74x = 688,696,516.98 × 114,084,305.73
  4. Step 4: Simplify right side
    459,130,678.74x = 78,569,463,998,332,464
  5. Step 5: Solve for x
    x = 78,569,463,998,332,464/459,130,678.74
  6. Step 6: Final answer
    x = 171,126,582.55

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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.