Home / 9,005,278,381.74-12,420,037,978.74-7,916,632,584.24

Finding the Fourth Proportional to 9,005,278,381.74, 12,420,037,978.74 and 7,916,632,584.24

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Solution

The fourth proportional to 9,005,278,381.74, 12,420,037,978.74 and 7,916,632,584.24 is: 10,918,582,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005,278,381.74 : 12,420,037,978.74 = 7,916,632,584.24 : x
  2. Step 2: Convert to fraction form
    9,005,278,381.74/12,420,037,978.74 = 7,916,632,584.24/x
  3. Step 3: Cross multiply
    9,005,278,381.74x = 12,420,037,978.74 × 7,916,632,584.24
  4. Step 4: Simplify right side
    9,005,278,381.74x = 98,324,877,359,991,390,208
  5. Step 5: Solve for x
    x = 98,324,877,359,991,390,208/9,005,278,381.74
  6. Step 6: Final answer
    x = 10,918,582,768.01

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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.