Home / 257,597,656,720.56-386,572,985,564.76-89,905,119,393.96

Finding the Fourth Proportional to 257,597,656,720.56, 386,572,985,564.76 and 89,905,119,393.96

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Solution

The fourth proportional to 257,597,656,720.56, 386,572,985,564.76 and 89,905,119,393.96 is: 134,919,280,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,597,656,720.56 : 386,572,985,564.76 = 89,905,119,393.96 : x
  2. Step 2: Convert to fraction form
    257,597,656,720.56/386,572,985,564.76 = 89,905,119,393.96/x
  3. Step 3: Cross multiply
    257,597,656,720.56x = 386,572,985,564.76 × 89,905,119,393.96
  4. Step 4: Simplify right side
    257,597,656,720.56x = 34,754,890,421,679,324,921,856
  5. Step 5: Solve for x
    x = 34,754,890,421,679,324,921,856/257,597,656,720.56
  6. Step 6: Final answer
    x = 134,919,280,183.44

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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.