Home / 461,971,820.64-693,045,127.44-185,644,545.60

Finding the Fourth Proportional to 461,971,820.64, 693,045,127.44 and 185,644,545.60

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Solution

The fourth proportional to 461,971,820.64, 693,045,127.44 and 185,644,545.60 is: 278,501,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,971,820.64 : 693,045,127.44 = 185,644,545.60 : x
  2. Step 2: Convert to fraction form
    461,971,820.64/693,045,127.44 = 185,644,545.60/x
  3. Step 3: Cross multiply
    461,971,820.64x = 693,045,127.44 × 185,644,545.60
  4. Step 4: Simplify right side
    461,971,820.64x = 128,660,047,763,892,896
  5. Step 5: Solve for x
    x = 128,660,047,763,892,896/461,971,820.64
  6. Step 6: Final answer
    x = 278,501,938.90

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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.