Home / 497,067,779.67-745,605,405.45-220,644,680.55

Finding the Fourth Proportional to 497,067,779.67, 745,605,405.45 and 220,644,680.55

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Solution

The fourth proportional to 497,067,779.67, 745,605,405.45 and 220,644,680.55 is: 330,968,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,067,779.67 : 745,605,405.45 = 220,644,680.55 : x
  2. Step 2: Convert to fraction form
    497,067,779.67/745,605,405.45 = 220,644,680.55/x
  3. Step 3: Cross multiply
    497,067,779.67x = 745,605,405.45 × 220,644,680.55
  4. Step 4: Simplify right side
    497,067,779.67x = 164,513,866,501,868,512
  5. Step 5: Solve for x
    x = 164,513,866,501,868,512/497,067,779.67
  6. Step 6: Final answer
    x = 330,968,679.18

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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.