Home / 1,456,272,005.80-2,184,408,008.70-486,923,621.80

Finding the Fourth Proportional to 1,456,272,005.80, 2,184,408,008.70 and 486,923,621.80

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Solution

The fourth proportional to 1,456,272,005.80, 2,184,408,008.70 and 486,923,621.80 is: 730,385,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,272,005.80 : 2,184,408,008.70 = 486,923,621.80 : x
  2. Step 2: Convert to fraction form
    1,456,272,005.80/2,184,408,008.70 = 486,923,621.80/x
  3. Step 3: Cross multiply
    1,456,272,005.80x = 2,184,408,008.70 × 486,923,621.80
  4. Step 4: Simplify right side
    1,456,272,005.80x = 1,063,639,859,085,129,856
  5. Step 5: Solve for x
    x = 1,063,639,859,085,129,856/1,456,272,005.80
  6. Step 6: Final answer
    x = 730,385,432.70

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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.