Home / 391,164,203.40-586,746,305.10-236,196,007.80

Finding the Fourth Proportional to 391,164,203.40, 586,746,305.10 and 236,196,007.80

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Solution

The fourth proportional to 391,164,203.40, 586,746,305.10 and 236,196,007.80 is: 354,294,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,164,203.40 : 586,746,305.10 = 236,196,007.80 : x
  2. Step 2: Convert to fraction form
    391,164,203.40/586,746,305.10 = 236,196,007.80/x
  3. Step 3: Cross multiply
    391,164,203.40x = 586,746,305.10 × 236,196,007.80
  4. Step 4: Simplify right side
    391,164,203.40x = 138,587,134,856,020,800
  5. Step 5: Solve for x
    x = 138,587,134,856,020,800/391,164,203.40
  6. Step 6: Final answer
    x = 354,294,011.70

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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.