Home / 495,904,065.82-685,291,437.21-371,929,509.34

Finding the Fourth Proportional to 495,904,065.82, 685,291,437.21 and 371,929,509.34

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Solution

The fourth proportional to 495,904,065.82, 685,291,437.21 and 371,929,509.34 is: 513,970,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,904,065.82 : 685,291,437.21 = 371,929,509.34 : x
  2. Step 2: Convert to fraction form
    495,904,065.82/685,291,437.21 = 371,929,509.34/x
  3. Step 3: Cross multiply
    495,904,065.82x = 685,291,437.21 × 371,929,509.34
  4. Step 4: Simplify right side
    495,904,065.82x = 254,880,107,996,100,224
  5. Step 5: Solve for x
    x = 254,880,107,996,100,224/495,904,065.82
  6. Step 6: Final answer
    x = 513,970,595.45

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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.