Home / 1,447,363,445.29-2,165,566,552.47-857,470,381.47

Finding the Fourth Proportional to 1,447,363,445.29, 2,165,566,552.47 and 857,470,381.47

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Solution

The fourth proportional to 1,447,363,445.29, 2,165,566,552.47 and 857,470,381.47 is: 1,282,959,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,363,445.29 : 2,165,566,552.47 = 857,470,381.47 : x
  2. Step 2: Convert to fraction form
    1,447,363,445.29/2,165,566,552.47 = 857,470,381.47/x
  3. Step 3: Cross multiply
    1,447,363,445.29x = 2,165,566,552.47 × 857,470,381.47
  4. Step 4: Simplify right side
    1,447,363,445.29x = 1,856,909,177,845,123,584
  5. Step 5: Solve for x
    x = 1,856,909,177,845,123,584/1,447,363,445.29
  6. Step 6: Final answer
    x = 1,282,959,842.53

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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.