Home / 389,617,877.61-584,426,667.38-156,448,519.70

Finding the Fourth Proportional to 389,617,877.61, 584,426,667.38 and 156,448,519.70

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Solution

The fourth proportional to 389,617,877.61, 584,426,667.38 and 156,448,519.70 is: 234,672,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,617,877.61 : 584,426,667.38 = 156,448,519.70 : x
  2. Step 2: Convert to fraction form
    389,617,877.61/584,426,667.38 = 156,448,519.70/x
  3. Step 3: Cross multiply
    389,617,877.61x = 584,426,667.38 × 156,448,519.70
  4. Step 4: Simplify right side
    389,617,877.61x = 91,432,686,981,100,896
  5. Step 5: Solve for x
    x = 91,432,686,981,100,896/389,617,877.61
  6. Step 6: Final answer
    x = 234,672,719.70

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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.