Home / 391,165,362.90-586,748,044.35-236,197,167.30

Finding the Fourth Proportional to 391,165,362.90, 586,748,044.35 and 236,197,167.30

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Solution

The fourth proportional to 391,165,362.90, 586,748,044.35 and 236,197,167.30 is: 354,295,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,165,362.90 : 586,748,044.35 = 236,197,167.30 : x
  2. Step 2: Convert to fraction form
    391,165,362.90/586,748,044.35 = 236,197,167.30/x
  3. Step 3: Cross multiply
    391,165,362.90x = 586,748,044.35 × 236,197,167.30
  4. Step 4: Simplify right side
    391,165,362.90x = 138,588,225,994,284,784
  5. Step 5: Solve for x
    x = 138,588,225,994,284,784/391,165,362.90
  6. Step 6: Final answer
    x = 354,295,750.95

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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.