Home / 491,233,981.29-677,897,752.80-268,214,971.70

Finding the Fourth Proportional to 491,233,981.29, 677,897,752.80 and 268,214,971.70

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Solution

The fourth proportional to 491,233,981.29, 677,897,752.80 and 268,214,971.70 is: 370,133,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,233,981.29 : 677,897,752.80 = 268,214,971.70 : x
  2. Step 2: Convert to fraction form
    491,233,981.29/677,897,752.80 = 268,214,971.70/x
  3. Step 3: Cross multiply
    491,233,981.29x = 677,897,752.80 × 268,214,971.70
  4. Step 4: Simplify right side
    491,233,981.29x = 181,822,326,579,752,064
  5. Step 5: Solve for x
    x = 181,822,326,579,752,064/491,233,981.29
  6. Step 6: Final answer
    x = 370,133,853.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.