Home / 412,296,569.12-618,739,914.14-149,980,613.01

Finding the Fourth Proportional to 412,296,569.12, 618,739,914.14 and 149,980,613.01

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Solution

The fourth proportional to 412,296,569.12, 618,739,914.14 and 149,980,613.01 is: 225,078,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,296,569.12 : 618,739,914.14 = 149,980,613.01 : x
  2. Step 2: Convert to fraction form
    412,296,569.12/618,739,914.14 = 149,980,613.01/x
  3. Step 3: Cross multiply
    412,296,569.12x = 618,739,914.14 × 149,980,613.01
  4. Step 4: Simplify right side
    412,296,569.12x = 92,798,991,615,722,064
  5. Step 5: Solve for x
    x = 92,798,991,615,722,064/412,296,569.12
  6. Step 6: Final answer
    x = 225,078,253.29

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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.