Home / 1,438,090,241.70-1,985,935,149.48-1,359,744,083.88

Finding the Fourth Proportional to 1,438,090,241.70, 1,985,935,149.48 and 1,359,744,083.88

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Solution

The fourth proportional to 1,438,090,241.70, 1,985,935,149.48 and 1,359,744,083.88 is: 1,877,742,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,090,241.70 : 1,985,935,149.48 = 1,359,744,083.88 : x
  2. Step 2: Convert to fraction form
    1,438,090,241.70/1,985,935,149.48 = 1,359,744,083.88/x
  3. Step 3: Cross multiply
    1,438,090,241.70x = 1,985,935,149.48 × 1,359,744,083.88
  4. Step 4: Simplify right side
    1,438,090,241.70x = 2,700,363,570,474,773,504
  5. Step 5: Solve for x
    x = 2,700,363,570,474,773,504/1,438,090,241.70
  6. Step 6: Final answer
    x = 1,877,742,781.48

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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.