Home / 495,223,999.80-741,072,402.90-431,230,630.20

Finding the Fourth Proportional to 495,223,999.80, 741,072,402.90 and 431,230,630.20

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Solution

The fourth proportional to 495,223,999.80, 741,072,402.90 and 431,230,630.20 is: 645,310,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,223,999.80 : 741,072,402.90 = 431,230,630.20 : x
  2. Step 2: Convert to fraction form
    495,223,999.80/741,072,402.90 = 431,230,630.20/x
  3. Step 3: Cross multiply
    495,223,999.80x = 741,072,402.90 × 431,230,630.20
  4. Step 4: Simplify right side
    495,223,999.80x = 319,573,119,326,395,264
  5. Step 5: Solve for x
    x = 319,573,119,326,395,264/495,223,999.80
  6. Step 6: Final answer
    x = 645,310,242.35

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1.5x scale

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.