Home / 442,451,754.95-610,492,268.28-254,243,687.15

Finding the Fourth Proportional to 442,451,754.95, 610,492,268.28 and 254,243,687.15

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Solution

The fourth proportional to 442,451,754.95, 610,492,268.28 and 254,243,687.15 is: 350,803,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,451,754.95 : 610,492,268.28 = 254,243,687.15 : x
  2. Step 2: Convert to fraction form
    442,451,754.95/610,492,268.28 = 254,243,687.15/x
  3. Step 3: Cross multiply
    442,451,754.95x = 610,492,268.28 × 254,243,687.15
  4. Step 4: Simplify right side
    442,451,754.95x = 155,213,805,266,556,352
  5. Step 5: Solve for x
    x = 155,213,805,266,556,352/442,451,754.95
  6. Step 6: Final answer
    x = 350,803,909.20

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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.