Home / 472,393,220.80-708,589,831.20-239,940,927.40

Finding the Fourth Proportional to 472,393,220.80, 708,589,831.20 and 239,940,927.40

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Solution

The fourth proportional to 472,393,220.80, 708,589,831.20 and 239,940,927.40 is: 359,911,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,220.80 : 708,589,831.20 = 239,940,927.40 : x
  2. Step 2: Convert to fraction form
    472,393,220.80/708,589,831.20 = 239,940,927.40/x
  3. Step 3: Cross multiply
    472,393,220.80x = 708,589,831.20 × 239,940,927.40
  4. Step 4: Simplify right side
    472,393,220.80x = 170,019,701,244,337,472
  5. Step 5: Solve for x
    x = 170,019,701,244,337,472/472,393,220.80
  6. Step 6: Final answer
    x = 359,911,391.10

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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.