Home / 10,225,331,976.40-15,337,997,964.60-5,266,349,717.20

Finding the Fourth Proportional to 10,225,331,976.40, 15,337,997,964.60 and 5,266,349,717.20

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Solution

The fourth proportional to 10,225,331,976.40, 15,337,997,964.60 and 5,266,349,717.20 is: 7,899,524,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225,331,976.40 : 15,337,997,964.60 = 5,266,349,717.20 : x
  2. Step 2: Convert to fraction form
    10,225,331,976.40/15,337,997,964.60 = 5,266,349,717.20/x
  3. Step 3: Cross multiply
    10,225,331,976.40x = 15,337,997,964.60 × 5,266,349,717.20
  4. Step 4: Simplify right side
    10,225,331,976.40x = 80,775,261,243,285,389,312
  5. Step 5: Solve for x
    x = 80,775,261,243,285,389,312/10,225,331,976.40
  6. Step 6: Final answer
    x = 7,899,524,575.80

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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.