Home / 352,188,001.20-528,282,001.80-313,445,952.30

Finding the Fourth Proportional to 352,188,001.20, 528,282,001.80 and 313,445,952.30

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Solution

The fourth proportional to 352,188,001.20, 528,282,001.80 and 313,445,952.30 is: 470,168,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,188,001.20 : 528,282,001.80 = 313,445,952.30 : x
  2. Step 2: Convert to fraction form
    352,188,001.20/528,282,001.80 = 313,445,952.30/x
  3. Step 3: Cross multiply
    352,188,001.20x = 528,282,001.80 × 313,445,952.30
  4. Step 4: Simplify right side
    352,188,001.20x = 165,587,855,137,151,328
  5. Step 5: Solve for x
    x = 165,587,855,137,151,328/352,188,001.20
  6. Step 6: Final answer
    x = 470,168,928.45

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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.