Home / 10,487,168,002.80-15,730,752,004.20-4,272,945,721.20

Finding the Fourth Proportional to 10,487,168,002.80, 15,730,752,004.20 and 4,272,945,721.20

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Solution

The fourth proportional to 10,487,168,002.80, 15,730,752,004.20 and 4,272,945,721.20 is: 6,409,418,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,168,002.80 : 15,730,752,004.20 = 4,272,945,721.20 : x
  2. Step 2: Convert to fraction form
    10,487,168,002.80/15,730,752,004.20 = 4,272,945,721.20/x
  3. Step 3: Cross multiply
    10,487,168,002.80x = 15,730,752,004.20 × 4,272,945,721.20
  4. Step 4: Simplify right side
    10,487,168,002.80x = 67,216,649,467,604,713,472
  5. Step 5: Solve for x
    x = 67,216,649,467,604,713,472/10,487,168,002.80
  6. Step 6: Final answer
    x = 6,409,418,581.80

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1.5x scale

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.