Home / 489,888,980.10-734,833,470.15-198,895,508.10

Finding the Fourth Proportional to 489,888,980.10, 734,833,470.15 and 198,895,508.10

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Solution

The fourth proportional to 489,888,980.10, 734,833,470.15 and 198,895,508.10 is: 298,343,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,888,980.10 : 734,833,470.15 = 198,895,508.10 : x
  2. Step 2: Convert to fraction form
    489,888,980.10/734,833,470.15 = 198,895,508.10/x
  3. Step 3: Cross multiply
    489,888,980.10x = 734,833,470.15 × 198,895,508.10
  4. Step 4: Simplify right side
    489,888,980.10x = 146,155,076,414,370,432
  5. Step 5: Solve for x
    x = 146,155,076,414,370,432/489,888,980.10
  6. Step 6: Final answer
    x = 298,343,262.15

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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.