Home / 9,127,680,643.47-12,608,015,134.05-7,548,152,960.91

Finding the Fourth Proportional to 9,127,680,643.47, 12,608,015,134.05 and 7,548,152,960.91

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Solution

The fourth proportional to 9,127,680,643.47, 12,608,015,134.05 and 7,548,152,960.91 is: 10,426,222,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127,680,643.47 : 12,608,015,134.05 = 7,548,152,960.91 : x
  2. Step 2: Convert to fraction form
    9,127,680,643.47/12,608,015,134.05 = 7,548,152,960.91/x
  3. Step 3: Cross multiply
    9,127,680,643.47x = 12,608,015,134.05 × 7,548,152,960.91
  4. Step 4: Simplify right side
    9,127,680,643.47x = 95,167,226,765,324,238,848
  5. Step 5: Solve for x
    x = 95,167,226,765,324,238,848/9,127,680,643.47
  6. Step 6: Final answer
    x = 10,426,222,222.55

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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.