Home / 257,597,655,781.08-386,572,984,156.68-89,905,118,455.56

Finding the Fourth Proportional to 257,597,655,781.08, 386,572,984,156.68 and 89,905,118,455.56

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Solution

The fourth proportional to 257,597,655,781.08, 386,572,984,156.68 and 89,905,118,455.56 is: 134,919,278,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,597,655,781.08 : 386,572,984,156.68 = 89,905,118,455.56 : x
  2. Step 2: Convert to fraction form
    257,597,655,781.08/386,572,984,156.68 = 89,905,118,455.56/x
  3. Step 3: Cross multiply
    257,597,655,781.08x = 386,572,984,156.68 × 89,905,118,455.56
  4. Step 4: Simplify right side
    257,597,655,781.08x = 34,754,889,932,325,632,606,208
  5. Step 5: Solve for x
    x = 34,754,889,932,325,632,606,208/257,597,655,781.08
  6. Step 6: Final answer
    x = 134,919,278,775.82

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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.