Home / 415,854,287.28-573,856,180.84-227,646,172.08

Finding the Fourth Proportional to 415,854,287.28, 573,856,180.84 and 227,646,172.08

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Solution

The fourth proportional to 415,854,287.28, 573,856,180.84 and 227,646,172.08 is: 314,139,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,854,287.28 : 573,856,180.84 = 227,646,172.08 : x
  2. Step 2: Convert to fraction form
    415,854,287.28/573,856,180.84 = 227,646,172.08/x
  3. Step 3: Cross multiply
    415,854,287.28x = 573,856,180.84 × 227,646,172.08
  4. Step 4: Simplify right side
    415,854,287.28x = 130,636,162,892,674,256
  5. Step 5: Solve for x
    x = 130,636,162,892,674,256/415,854,287.28
  6. Step 6: Final answer
    x = 314,139,271.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.