Home / 1,334,115,315.25-1,840,005,625.69-1,172,834,456.35

Finding the Fourth Proportional to 1,334,115,315.25, 1,840,005,625.69 and 1,172,834,456.35

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Solution

The fourth proportional to 1,334,115,315.25, 1,840,005,625.69 and 1,172,834,456.35 is: 1,617,567,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,115,315.25 : 1,840,005,625.69 = 1,172,834,456.35 : x
  2. Step 2: Convert to fraction form
    1,334,115,315.25/1,840,005,625.69 = 1,172,834,456.35/x
  3. Step 3: Cross multiply
    1,334,115,315.25x = 1,840,005,625.69 × 1,172,834,456.35
  4. Step 4: Simplify right side
    1,334,115,315.25x = 2,158,021,997,687,072,512
  5. Step 5: Solve for x
    x = 2,158,021,997,687,072,512/1,334,115,315.25
  6. Step 6: Final answer
    x = 1,617,567,816.68

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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.