Home / 389,781,568.24-584,626,840.80-156,602,840.92

Finding the Fourth Proportional to 389,781,568.24, 584,626,840.80 and 156,602,840.92

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Solution

The fourth proportional to 389,781,568.24, 584,626,840.80 and 156,602,840.92 is: 234,885,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,781,568.24 : 584,626,840.80 = 156,602,840.92 : x
  2. Step 2: Convert to fraction form
    389,781,568.24/584,626,840.80 = 156,602,840.92/x
  3. Step 3: Cross multiply
    389,781,568.24x = 584,626,840.80 × 156,602,840.92
  4. Step 4: Simplify right side
    389,781,568.24x = 91,554,224,147,364,544
  5. Step 5: Solve for x
    x = 91,554,224,147,364,544/389,781,568.24
  6. Step 6: Final answer
    x = 234,885,976.17

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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.