Home / 2,690,804,326.70-4,038,266,599.20-1,217,978,445.53

Finding the Fourth Proportional to 2,690,804,326.70, 4,038,266,599.20 and 1,217,978,445.53

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Solution

The fourth proportional to 2,690,804,326.70, 4,038,266,599.20 and 1,217,978,445.53 is: 1,827,900,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,804,326.70 : 4,038,266,599.20 = 1,217,978,445.53 : x
  2. Step 2: Convert to fraction form
    2,690,804,326.70/4,038,266,599.20 = 1,217,978,445.53/x
  3. Step 3: Cross multiply
    2,690,804,326.70x = 4,038,266,599.20 × 1,217,978,445.53
  4. Step 4: Simplify right side
    2,690,804,326.70x = 4,918,521,675,139,431,424
  5. Step 5: Solve for x
    x = 4,918,521,675,139,431,424/2,690,804,326.70
  6. Step 6: Final answer
    x = 1,827,900,165.88

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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.