Home / 12,680,295,663.13-19,003,897,411.66-7,084,006,699.53

Finding the Fourth Proportional to 12,680,295,663.13, 19,003,897,411.66 and 7,084,006,699.53

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Solution

The fourth proportional to 12,680,295,663.13, 19,003,897,411.66 and 7,084,006,699.53 is: 10,616,766,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,295,663.13 : 19,003,897,411.66 = 7,084,006,699.53 : x
  2. Step 2: Convert to fraction form
    12,680,295,663.13/19,003,897,411.66 = 7,084,006,699.53/x
  3. Step 3: Cross multiply
    12,680,295,663.13x = 19,003,897,411.66 × 7,084,006,699.53
  4. Step 4: Simplify right side
    12,680,295,663.13x = 134,623,736,581,380,259,840
  5. Step 5: Solve for x
    x = 134,623,736,581,380,259,840/12,680,295,663.13
  6. Step 6: Final answer
    x = 10,616,766,371.85

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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.