Home / 479,598,516.48-661,775,507.82-267,879,264.96

Finding the Fourth Proportional to 479,598,516.48, 661,775,507.82 and 267,879,264.96

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Solution

The fourth proportional to 479,598,516.48, 661,775,507.82 and 267,879,264.96 is: 369,634,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,598,516.48 : 661,775,507.82 = 267,879,264.96 : x
  2. Step 2: Convert to fraction form
    479,598,516.48/661,775,507.82 = 267,879,264.96/x
  3. Step 3: Cross multiply
    479,598,516.48x = 661,775,507.82 × 267,879,264.96
  4. Step 4: Simplify right side
    479,598,516.48x = 177,275,936,603,352,352
  5. Step 5: Solve for x
    x = 177,275,936,603,352,352/479,598,516.48
  6. Step 6: Final answer
    x = 369,634,038.70

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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.