Home / 495,904,066.32-685,291,437.91-371,929,509.84

Finding the Fourth Proportional to 495,904,066.32, 685,291,437.91 and 371,929,509.84

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Solution

The fourth proportional to 495,904,066.32, 685,291,437.91 and 371,929,509.84 is: 513,970,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,904,066.32 : 685,291,437.91 = 371,929,509.84 : x
  2. Step 2: Convert to fraction form
    495,904,066.32/685,291,437.91 = 371,929,509.84/x
  3. Step 3: Cross multiply
    495,904,066.32x = 685,291,437.91 × 371,929,509.84
  4. Step 4: Simplify right side
    495,904,066.32x = 254,880,108,597,555,424
  5. Step 5: Solve for x
    x = 254,880,108,597,555,424/495,904,066.32
  6. Step 6: Final answer
    x = 513,970,596.15

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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.