Home / 477,156,859.20-715,735,288.80-247,574,347.20

Finding the Fourth Proportional to 477,156,859.20, 715,735,288.80 and 247,574,347.20

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Solution

The fourth proportional to 477,156,859.20, 715,735,288.80 and 247,574,347.20 is: 371,361,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,156,859.20 : 715,735,288.80 = 247,574,347.20 : x
  2. Step 2: Convert to fraction form
    477,156,859.20/715,735,288.80 = 247,574,347.20/x
  3. Step 3: Cross multiply
    477,156,859.20x = 715,735,288.80 × 247,574,347.20
  4. Step 4: Simplify right side
    477,156,859.20x = 177,197,696,892,663,456
  5. Step 5: Solve for x
    x = 177,197,696,892,663,456/477,156,859.20
  6. Step 6: Final answer
    x = 371,361,520.80

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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.