Home / 339,287,312.31-468,254,404.13-205,398,999.08

Finding the Fourth Proportional to 339,287,312.31, 468,254,404.13 and 205,398,999.08

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Solution

The fourth proportional to 339,287,312.31, 468,254,404.13 and 205,398,999.08 is: 283,473,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,287,312.31 : 468,254,404.13 = 205,398,999.08 : x
  2. Step 2: Convert to fraction form
    339,287,312.31/468,254,404.13 = 205,398,999.08/x
  3. Step 3: Cross multiply
    339,287,312.31x = 468,254,404.13 × 205,398,999.08
  4. Step 4: Simplify right side
    339,287,312.31x = 96,178,985,919,735,552
  5. Step 5: Solve for x
    x = 96,178,985,919,735,552/339,287,312.31
  6. Step 6: Final answer
    x = 283,473,570.72

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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.