Home / 519,963,468.35-717,131,192.51-457,105,166.78

Finding the Fourth Proportional to 519,963,468.35, 717,131,192.51 and 457,105,166.78

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Solution

The fourth proportional to 519,963,468.35, 717,131,192.51 and 457,105,166.78 is: 630,437,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,963,468.35 : 717,131,192.51 = 457,105,166.78 : x
  2. Step 2: Convert to fraction form
    519,963,468.35/717,131,192.51 = 457,105,166.78/x
  3. Step 3: Cross multiply
    519,963,468.35x = 717,131,192.51 × 457,105,166.78
  4. Step 4: Simplify right side
    519,963,468.35x = 327,804,373,352,980,928
  5. Step 5: Solve for x
    x = 327,804,373,352,980,928/519,963,468.35
  6. Step 6: Final answer
    x = 630,437,315.91

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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.