Home / 2,127,116,542.38-2,935,910,604.78-1,247,333,681.58

Finding the Fourth Proportional to 2,127,116,542.38, 2,935,910,604.78 and 1,247,333,681.58

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Solution

The fourth proportional to 2,127,116,542.38, 2,935,910,604.78 and 1,247,333,681.58 is: 1,721,607,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,116,542.38 : 2,935,910,604.78 = 1,247,333,681.58 : x
  2. Step 2: Convert to fraction form
    2,127,116,542.38/2,935,910,604.78 = 1,247,333,681.58/x
  3. Step 3: Cross multiply
    2,127,116,542.38x = 2,935,910,604.78 × 1,247,333,681.58
  4. Step 4: Simplify right side
    2,127,116,542.38x = 3,662,060,183,450,001,920
  5. Step 5: Solve for x
    x = 3,662,060,183,450,001,920/2,127,116,542.38
  6. Step 6: Final answer
    x = 1,721,607,683.68

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Double scale
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1.5x scale

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.