Home / 871,136,185.25-1,202,152,799.49-474,662,432.70

Finding the Fourth Proportional to 871,136,185.25, 1,202,152,799.49 and 474,662,432.70

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Solution

The fourth proportional to 871,136,185.25, 1,202,152,799.49 and 474,662,432.70 is: 655,025,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,136,185.25 : 1,202,152,799.49 = 474,662,432.70 : x
  2. Step 2: Convert to fraction form
    871,136,185.25/1,202,152,799.49 = 474,662,432.70/x
  3. Step 3: Cross multiply
    871,136,185.25x = 1,202,152,799.49 × 474,662,432.70
  4. Step 4: Simplify right side
    871,136,185.25x = 570,616,772,281,235,008
  5. Step 5: Solve for x
    x = 570,616,772,281,235,008/871,136,185.25
  6. Step 6: Final answer
    x = 655,025,909.77

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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.