Home / 352,272,001.20-528,408,001.80-297,852,442.80

Finding the Fourth Proportional to 352,272,001.20, 528,408,001.80 and 297,852,442.80

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Solution

The fourth proportional to 352,272,001.20, 528,408,001.80 and 297,852,442.80 is: 446,778,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,272,001.20 : 528,408,001.80 = 297,852,442.80 : x
  2. Step 2: Convert to fraction form
    352,272,001.20/528,408,001.80 = 297,852,442.80/x
  3. Step 3: Cross multiply
    352,272,001.20x = 528,408,001.80 × 297,852,442.80
  4. Step 4: Simplify right side
    352,272,001.20x = 157,387,614,131,196,800
  5. Step 5: Solve for x
    x = 157,387,614,131,196,800/352,272,001.20
  6. Step 6: Final answer
    x = 446,778,664.20

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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.