Home / 415,152,772,474.56-622,666,238,601.40-112,988,921,575.92

Finding the Fourth Proportional to 415,152,772,474.56, 622,666,238,601.40 and 112,988,921,575.92

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Solution

The fourth proportional to 415,152,772,474.56, 622,666,238,601.40 and 112,988,921,575.92 is: 169,466,257,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,474.56 : 622,666,238,601.40 = 112,988,921,575.92 : x
  2. Step 2: Convert to fraction form
    415,152,772,474.56/622,666,238,601.40 = 112,988,921,575.92/x
  3. Step 3: Cross multiply
    415,152,772,474.56x = 622,666,238,601.40 × 112,988,921,575.92
  4. Step 4: Simplify right side
    415,152,772,474.56x = 70,354,386,801,306,674,135,040
  5. Step 5: Solve for x
    x = 70,354,386,801,306,674,135,040/415,152,772,474.56
  6. Step 6: Final answer
    x = 169,466,257,883.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.