Home / 1,565,839,381.52-2,158,852,424.32-1,282,538,157.12

Finding the Fourth Proportional to 1,565,839,381.52, 2,158,852,424.32 and 1,282,538,157.12

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Solution

The fourth proportional to 1,565,839,381.52, 2,158,852,424.32 and 1,282,538,157.12 is: 1,768,259,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,839,381.52 : 2,158,852,424.32 = 1,282,538,157.12 : x
  2. Step 2: Convert to fraction form
    1,565,839,381.52/2,158,852,424.32 = 1,282,538,157.12/x
  3. Step 3: Cross multiply
    1,565,839,381.52x = 2,158,852,424.32 × 1,282,538,157.12
  4. Step 4: Simplify right side
    1,565,839,381.52x = 2,768,810,609,781,416,960
  5. Step 5: Solve for x
    x = 2,768,810,609,781,416,960/1,565,839,381.52
  6. Step 6: Final answer
    x = 1,768,259,658.34

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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.