Home / 352,272,031.20-528,408,046.80-297,852,472.80

Finding the Fourth Proportional to 352,272,031.20, 528,408,046.80 and 297,852,472.80

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Solution

The fourth proportional to 352,272,031.20, 528,408,046.80 and 297,852,472.80 is: 446,778,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,272,031.20 : 528,408,046.80 = 297,852,472.80 : x
  2. Step 2: Convert to fraction form
    352,272,031.20/528,408,046.80 = 297,852,472.80/x
  3. Step 3: Cross multiply
    352,272,031.20x = 528,408,046.80 × 297,852,472.80
  4. Step 4: Simplify right side
    352,272,031.20x = 157,387,643,386,798,144
  5. Step 5: Solve for x
    x = 157,387,643,386,798,144/352,272,031.20
  6. Step 6: Final answer
    x = 446,778,709.20

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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.