Home / 768,734,101.17-1,154,940,719.46-492,925,686.42

Finding the Fourth Proportional to 768,734,101.17, 1,154,940,719.46 and 492,925,686.42

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Solution

The fourth proportional to 768,734,101.17, 1,154,940,719.46 and 492,925,686.42 is: 740,568,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,734,101.17 : 1,154,940,719.46 = 492,925,686.42 : x
  2. Step 2: Convert to fraction form
    768,734,101.17/1,154,940,719.46 = 492,925,686.42/x
  3. Step 3: Cross multiply
    768,734,101.17x = 1,154,940,719.46 × 492,925,686.42
  4. Step 4: Simplify right side
    768,734,101.17x = 569,299,946,914,229,184
  5. Step 5: Solve for x
    x = 569,299,946,914,229,184/768,734,101.17
  6. Step 6: Final answer
    x = 740,568,092.46

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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.