Home / 319,324,810.10-478,847,247.15-146,744,266.10

Finding the Fourth Proportional to 319,324,810.10, 478,847,247.15 and 146,744,266.10

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Solution

The fourth proportional to 319,324,810.10, 478,847,247.15 and 146,744,266.10 is: 220,052,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,324,810.10 : 478,847,247.15 = 146,744,266.10 : x
  2. Step 2: Convert to fraction form
    319,324,810.10/478,847,247.15 = 146,744,266.10/x
  3. Step 3: Cross multiply
    319,324,810.10x = 478,847,247.15 × 146,744,266.10
  4. Step 4: Simplify right side
    319,324,810.10x = 70,268,087,857,032,064
  5. Step 5: Solve for x
    x = 70,268,087,857,032,064/319,324,810.10
  6. Step 6: Final answer
    x = 220,052,077.49

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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.