Home / 357,137,751.52-492,881,177.58-198,398,754.22

Finding the Fourth Proportional to 357,137,751.52, 492,881,177.58 and 198,398,754.22

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Solution

The fourth proportional to 357,137,751.52, 492,881,177.58 and 198,398,754.22 is: 273,807,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,137,751.52 : 492,881,177.58 = 198,398,754.22 : x
  2. Step 2: Convert to fraction form
    357,137,751.52/492,881,177.58 = 198,398,754.22/x
  3. Step 3: Cross multiply
    357,137,751.52x = 492,881,177.58 × 198,398,754.22
  4. Step 4: Simplify right side
    357,137,751.52x = 97,787,011,610,358,592
  5. Step 5: Solve for x
    x = 97,787,011,610,358,592/357,137,751.52
  6. Step 6: Final answer
    x = 273,807,546.79

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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.