Home / 10,329,891,353.70-15,494,837,030.55-5,099,714,752.20

Finding the Fourth Proportional to 10,329,891,353.70, 15,494,837,030.55 and 5,099,714,752.20

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Solution

The fourth proportional to 10,329,891,353.70, 15,494,837,030.55 and 5,099,714,752.20 is: 7,649,572,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329,891,353.70 : 15,494,837,030.55 = 5,099,714,752.20 : x
  2. Step 2: Convert to fraction form
    10,329,891,353.70/15,494,837,030.55 = 5,099,714,752.20/x
  3. Step 3: Cross multiply
    10,329,891,353.70x = 15,494,837,030.55 × 5,099,714,752.20
  4. Step 4: Simplify right side
    10,329,891,353.70x = 79,019,248,987,630,665,728
  5. Step 5: Solve for x
    x = 79,019,248,987,630,665,728/10,329,891,353.70
  6. Step 6: Final answer
    x = 7,649,572,128.30

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Double scale
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Similar ratio
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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.