Home / 347,754,218.48-479,911,621.20-191,118,479.12

Finding the Fourth Proportional to 347,754,218.48, 479,911,621.20 and 191,118,479.12

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Solution

The fourth proportional to 347,754,218.48, 479,911,621.20 and 191,118,479.12 is: 263,749,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754,218.48 : 479,911,621.20 = 191,118,479.12 : x
  2. Step 2: Convert to fraction form
    347,754,218.48/479,911,621.20 = 191,118,479.12/x
  3. Step 3: Cross multiply
    347,754,218.48x = 479,911,621.20 × 191,118,479.12
  4. Step 4: Simplify right side
    347,754,218.48x = 91,719,979,155,757,552
  5. Step 5: Solve for x
    x = 91,719,979,155,757,552/347,754,218.48
  6. Step 6: Final answer
    x = 263,749,436.47

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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.