Home / 10,099,565,985.20-15,149,348,977.80-4,202,165,208.20

Finding the Fourth Proportional to 10,099,565,985.20, 15,149,348,977.80 and 4,202,165,208.20

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Solution

The fourth proportional to 10,099,565,985.20, 15,149,348,977.80 and 4,202,165,208.20 is: 6,303,247,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,565,985.20 : 15,149,348,977.80 = 4,202,165,208.20 : x
  2. Step 2: Convert to fraction form
    10,099,565,985.20/15,149,348,977.80 = 4,202,165,208.20/x
  3. Step 3: Cross multiply
    10,099,565,985.20x = 15,149,348,977.80 × 4,202,165,208.20
  4. Step 4: Simplify right side
    10,099,565,985.20x = 63,660,067,201,391,386,624
  5. Step 5: Solve for x
    x = 63,660,067,201,391,386,624/10,099,565,985.20
  6. Step 6: Final answer
    x = 6,303,247,812.30

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Double scale
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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.