Home / 358,571,952-494,816,228.85-199,793,871.18

Finding the Fourth Proportional to 358,571,952, 494,816,228.85 and 199,793,871.18

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Solution

The fourth proportional to 358,571,952, 494,816,228.85 and 199,793,871.18 is: 275,708,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,952 : 494,816,228.85 = 199,793,871.18 : x
  2. Step 2: Convert to fraction form
    358,571,952/494,816,228.85 = 199,793,871.18/x
  3. Step 3: Cross multiply
    358,571,952x = 494,816,228.85 × 199,793,871.18
  4. Step 4: Simplify right side
    358,571,952x = 98,861,249,884,630,304
  5. Step 5: Solve for x
    x = 98,861,249,884,630,304/358,571,952
  6. Step 6: Final answer
    x = 275,708,262.55

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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.