Home / 613,909,943.05-920,872,294.46-171,225,676.95

Finding the Fourth Proportional to 613,909,943.05, 920,872,294.46 and 171,225,676.95

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Solution

The fourth proportional to 613,909,943.05, 920,872,294.46 and 171,225,676.95 is: 256,840,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,909,943.05 : 920,872,294.46 = 171,225,676.95 : x
  2. Step 2: Convert to fraction form
    613,909,943.05/920,872,294.46 = 171,225,676.95/x
  3. Step 3: Cross multiply
    613,909,943.05x = 920,872,294.46 × 171,225,676.95
  4. Step 4: Simplify right side
    613,909,943.05x = 157,676,981,999,745,920
  5. Step 5: Solve for x
    x = 157,676,981,999,745,920/613,909,943.05
  6. Step 6: Final answer
    x = 256,840,573.74

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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.