Home / 1,680,474,423.09-2,319,258,058.83-956,438,387.60

Finding the Fourth Proportional to 1,680,474,423.09, 2,319,258,058.83 and 956,438,387.60

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Solution

The fourth proportional to 1,680,474,423.09, 2,319,258,058.83 and 956,438,387.60 is: 1,320,000,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,474,423.09 : 2,319,258,058.83 = 956,438,387.60 : x
  2. Step 2: Convert to fraction form
    1,680,474,423.09/2,319,258,058.83 = 956,438,387.60/x
  3. Step 3: Cross multiply
    1,680,474,423.09x = 2,319,258,058.83 × 956,438,387.60
  4. Step 4: Simplify right side
    1,680,474,423.09x = 2,218,227,438,215,671,040
  5. Step 5: Solve for x
    x = 2,218,227,438,215,671,040/1,680,474,423.09
  6. Step 6: Final answer
    x = 1,320,000,713.93

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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.