Home / 472,574,803.80-708,862,205.70-127,527,877.20

Finding the Fourth Proportional to 472,574,803.80, 708,862,205.70 and 127,527,877.20

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Solution

The fourth proportional to 472,574,803.80, 708,862,205.70 and 127,527,877.20 is: 191,291,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,574,803.80 : 708,862,205.70 = 127,527,877.20 : x
  2. Step 2: Convert to fraction form
    472,574,803.80/708,862,205.70 = 127,527,877.20/x
  3. Step 3: Cross multiply
    472,574,803.80x = 708,862,205.70 × 127,527,877.20
  4. Step 4: Simplify right side
    472,574,803.80x = 90,399,692,320,230,752
  5. Step 5: Solve for x
    x = 90,399,692,320,230,752/472,574,803.80
  6. Step 6: Final answer
    x = 191,291,815.80

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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.