Home / 797,202,972.90-1,195,804,459.35-686,238,092.10

Finding the Fourth Proportional to 797,202,972.90, 1,195,804,459.35 and 686,238,092.10

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Solution

The fourth proportional to 797,202,972.90, 1,195,804,459.35 and 686,238,092.10 is: 1,029,357,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,202,972.90 : 1,195,804,459.35 = 686,238,092.10 : x
  2. Step 2: Convert to fraction form
    797,202,972.90/1,195,804,459.35 = 686,238,092.10/x
  3. Step 3: Cross multiply
    797,202,972.90x = 1,195,804,459.35 × 686,238,092.10
  4. Step 4: Simplify right side
    797,202,972.90x = 820,606,570,709,015,936
  5. Step 5: Solve for x
    x = 820,606,570,709,015,936/797,202,972.90
  6. Step 6: Final answer
    x = 1,029,357,138.15

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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.