Home / 489,901,501.10-734,852,251.65-486,500,278.70

Finding the Fourth Proportional to 489,901,501.10, 734,852,251.65 and 486,500,278.70

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Solution

The fourth proportional to 489,901,501.10, 734,852,251.65 and 486,500,278.70 is: 729,750,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,901,501.10 : 734,852,251.65 = 486,500,278.70 : x
  2. Step 2: Convert to fraction form
    489,901,501.10/734,852,251.65 = 486,500,278.70/x
  3. Step 3: Cross multiply
    489,901,501.10x = 734,852,251.65 × 486,500,278.70
  4. Step 4: Simplify right side
    489,901,501.10x = 357,505,825,231,047,488
  5. Step 5: Solve for x
    x = 357,505,825,231,047,488/489,901,501.10
  6. Step 6: Final answer
    x = 729,750,418.05

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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.