Home / 10,130,832,005.20-15,196,248,007.80-8,498,245,253.20

Finding the Fourth Proportional to 10,130,832,005.20, 15,196,248,007.80 and 8,498,245,253.20

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Solution

The fourth proportional to 10,130,832,005.20, 15,196,248,007.80 and 8,498,245,253.20 is: 12,747,367,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130,832,005.20 : 15,196,248,007.80 = 8,498,245,253.20 : x
  2. Step 2: Convert to fraction form
    10,130,832,005.20/15,196,248,007.80 = 8,498,245,253.20/x
  3. Step 3: Cross multiply
    10,130,832,005.20x = 15,196,248,007.80 × 8,498,245,253.20
  4. Step 4: Simplify right side
    10,130,832,005.20x = 129,141,442,498,736,291,840
  5. Step 5: Solve for x
    x = 129,141,442,498,736,291,840/10,130,832,005.20
  6. Step 6: Final answer
    x = 12,747,367,879.80

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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.