Home / 3,460,818,860.74-5,191,228,351.24-840,605,309.88

Finding the Fourth Proportional to 3,460,818,860.74, 5,191,228,351.24 and 840,605,309.88

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Solution

The fourth proportional to 3,460,818,860.74, 5,191,228,351.24 and 840,605,309.88 is: 1,260,907,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,818,860.74 : 5,191,228,351.24 = 840,605,309.88 : x
  2. Step 2: Convert to fraction form
    3,460,818,860.74/5,191,228,351.24 = 840,605,309.88/x
  3. Step 3: Cross multiply
    3,460,818,860.74x = 5,191,228,351.24 × 840,605,309.88
  4. Step 4: Simplify right side
    3,460,818,860.74x = 4,363,774,116,851,941,376
  5. Step 5: Solve for x
    x = 4,363,774,116,851,941,376/3,460,818,860.74
  6. Step 6: Final answer
    x = 1,260,907,979.43

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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.