Home / 1,565,839,380.24-2,158,852,422.65-1,282,538,155.86

Finding the Fourth Proportional to 1,565,839,380.24, 2,158,852,422.65 and 1,282,538,155.86

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Solution

The fourth proportional to 1,565,839,380.24, 2,158,852,422.65 and 1,282,538,155.86 is: 1,768,259,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,839,380.24 : 2,158,852,422.65 = 1,282,538,155.86 : x
  2. Step 2: Convert to fraction form
    1,565,839,380.24/2,158,852,422.65 = 1,282,538,155.86/x
  3. Step 3: Cross multiply
    1,565,839,380.24x = 2,158,852,422.65 × 1,282,538,155.86
  4. Step 4: Simplify right side
    1,565,839,380.24x = 2,768,810,604,913,011,200
  5. Step 5: Solve for x
    x = 2,768,810,604,913,011,200/1,565,839,380.24
  6. Step 6: Final answer
    x = 1,768,259,656.68

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Double scale
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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.