Home / 495,224,010.80-741,072,419.40-431,230,641.20

Finding the Fourth Proportional to 495,224,010.80, 741,072,419.40 and 431,230,641.20

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Solution

The fourth proportional to 495,224,010.80, 741,072,419.40 and 431,230,641.20 is: 645,310,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,224,010.80 : 741,072,419.40 = 431,230,641.20 : x
  2. Step 2: Convert to fraction form
    495,224,010.80/741,072,419.40 = 431,230,641.20/x
  3. Step 3: Cross multiply
    495,224,010.80x = 741,072,419.40 × 431,230,641.20
  4. Step 4: Simplify right side
    495,224,010.80x = 319,573,134,593,497,280
  5. Step 5: Solve for x
    x = 319,573,134,593,497,280/495,224,010.80
  6. Step 6: Final answer
    x = 645,310,258.84

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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.