Home / 489,275,373.70-675,200,127-269,258,799.70

Finding the Fourth Proportional to 489,275,373.70, 675,200,127 and 269,258,799.70

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Solution

The fourth proportional to 489,275,373.70, 675,200,127 and 269,258,799.70 is: 371,577,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,275,373.70 : 675,200,127 = 269,258,799.70 : x
  2. Step 2: Convert to fraction form
    489,275,373.70/675,200,127 = 269,258,799.70/x
  3. Step 3: Cross multiply
    489,275,373.70x = 675,200,127 × 269,258,799.70
  4. Step 4: Simplify right side
    489,275,373.70x = 181,803,575,753,307,552
  5. Step 5: Solve for x
    x = 181,803,575,753,307,552/489,275,373.70
  6. Step 6: Final answer
    x = 371,577,204.83

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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.