Home / 2,690,804,351.96-4,038,266,636.83-1,217,978,470.59

Finding the Fourth Proportional to 2,690,804,351.96, 4,038,266,636.83 and 1,217,978,470.59

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Solution

The fourth proportional to 2,690,804,351.96, 4,038,266,636.83 and 1,217,978,470.59 is: 1,827,900,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,804,351.96 : 4,038,266,636.83 = 1,217,978,470.59 : x
  2. Step 2: Convert to fraction form
    2,690,804,351.96/4,038,266,636.83 = 1,217,978,470.59/x
  3. Step 3: Cross multiply
    2,690,804,351.96x = 4,038,266,636.83 × 1,217,978,470.59
  4. Step 4: Simplify right side
    2,690,804,351.96x = 4,918,521,822,160,826,368
  5. Step 5: Solve for x
    x = 4,918,521,822,160,826,368/2,690,804,351.96
  6. Step 6: Final answer
    x = 1,827,900,203.36

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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.