Home / 1,577,097,732.31-2,365,650,605.19-644,420,581.42

Finding the Fourth Proportional to 1,577,097,732.31, 2,365,650,605.19 and 644,420,581.42

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Solution

The fourth proportional to 1,577,097,732.31, 2,365,650,605.19 and 644,420,581.42 is: 966,632,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,097,732.31 : 2,365,650,605.19 = 644,420,581.42 : x
  2. Step 2: Convert to fraction form
    1,577,097,732.31/2,365,650,605.19 = 644,420,581.42/x
  3. Step 3: Cross multiply
    1,577,097,732.31x = 2,365,650,605.19 × 644,420,581.42
  4. Step 4: Simplify right side
    1,577,097,732.31x = 1,524,473,938,433,114,624
  5. Step 5: Solve for x
    x = 1,524,473,938,433,114,624/1,577,097,732.31
  6. Step 6: Final answer
    x = 966,632,509.32

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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.