Home / 852,769,237.64-1,176,829,660.86-500,351,223.56

Finding the Fourth Proportional to 852,769,237.64, 1,176,829,660.86 and 500,351,223.56

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Solution

The fourth proportional to 852,769,237.64, 1,176,829,660.86 and 500,351,223.56 is: 690,489,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,769,237.64 : 1,176,829,660.86 = 500,351,223.56 : x
  2. Step 2: Convert to fraction form
    852,769,237.64/1,176,829,660.86 = 500,351,223.56/x
  3. Step 3: Cross multiply
    852,769,237.64x = 1,176,829,660.86 × 500,351,223.56
  4. Step 4: Simplify right side
    852,769,237.64x = 588,828,160,733,000,832
  5. Step 5: Solve for x
    x = 588,828,160,733,000,832/852,769,237.64
  6. Step 6: Final answer
    x = 690,489,448.66

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.