Home / 310,334,304.02-427,913,414.53-253,643,124.79

Finding the Fourth Proportional to 310,334,304.02, 427,913,414.53 and 253,643,124.79

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Solution

The fourth proportional to 310,334,304.02, 427,913,414.53 and 253,643,124.79 is: 349,743,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,334,304.02 : 427,913,414.53 = 253,643,124.79 : x
  2. Step 2: Convert to fraction form
    310,334,304.02/427,913,414.53 = 253,643,124.79/x
  3. Step 3: Cross multiply
    310,334,304.02x = 427,913,414.53 × 253,643,124.79
  4. Step 4: Simplify right side
    310,334,304.02x = 108,537,295,598,443,680
  5. Step 5: Solve for x
    x = 108,537,295,598,443,680/310,334,304.02
  6. Step 6: Final answer
    x = 349,743,145.35

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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.