Home / 1,680,474,439.23-2,319,258,081.14-956,438,403.75

Finding the Fourth Proportional to 1,680,474,439.23, 2,319,258,081.14 and 956,438,403.75

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Solution

The fourth proportional to 1,680,474,439.23, 2,319,258,081.14 and 956,438,403.75 is: 1,320,000,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,474,439.23 : 2,319,258,081.14 = 956,438,403.75 : x
  2. Step 2: Convert to fraction form
    1,680,474,439.23/2,319,258,081.14 = 956,438,403.75/x
  3. Step 3: Cross multiply
    1,680,474,439.23x = 2,319,258,081.14 × 956,438,403.75
  4. Step 4: Simplify right side
    1,680,474,439.23x = 2,218,227,497,005,047,552
  5. Step 5: Solve for x
    x = 2,218,227,497,005,047,552/1,680,474,439.23
  6. Step 6: Final answer
    x = 1,320,000,736.23

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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.