Home / 1,778,125,721.73-2,666,154,721.86-672,815,963.41

Finding the Fourth Proportional to 1,778,125,721.73, 2,666,154,721.86 and 672,815,963.41

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Solution

The fourth proportional to 1,778,125,721.73, 2,666,154,721.86 and 672,815,963.41 is: 1,008,832,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,125,721.73 : 2,666,154,721.86 = 672,815,963.41 : x
  2. Step 2: Convert to fraction form
    1,778,125,721.73/2,666,154,721.86 = 672,815,963.41/x
  3. Step 3: Cross multiply
    1,778,125,721.73x = 2,666,154,721.86 × 672,815,963.41
  4. Step 4: Simplify right side
    1,778,125,721.73x = 1,793,831,457,788,356,608
  5. Step 5: Solve for x
    x = 1,793,831,457,788,356,608/1,778,125,721.73
  6. Step 6: Final answer
    x = 1,008,832,747.80

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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.