Home / 353,668,970.88-528,016,731.03-270,234,062.46

Finding the Fourth Proportional to 353,668,970.88, 528,016,731.03 and 270,234,062.46

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Solution

The fourth proportional to 353,668,970.88, 528,016,731.03 and 270,234,062.46 is: 403,451,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,668,970.88 : 528,016,731.03 = 270,234,062.46 : x
  2. Step 2: Convert to fraction form
    353,668,970.88/528,016,731.03 = 270,234,062.46/x
  3. Step 3: Cross multiply
    353,668,970.88x = 528,016,731.03 × 270,234,062.46
  4. Step 4: Simplify right side
    353,668,970.88x = 142,688,106,273,086,016
  5. Step 5: Solve for x
    x = 142,688,106,273,086,016/353,668,970.88
  6. Step 6: Final answer
    x = 403,451,017.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.