Home / 431,036,623.13-646,560,533.41-143,822,287.13

Finding the Fourth Proportional to 431,036,623.13, 646,560,533.41 and 143,822,287.13

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Solution

The fourth proportional to 431,036,623.13, 646,560,533.41 and 143,822,287.13 is: 215,735,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,036,623.13 : 646,560,533.41 = 143,822,287.13 : x
  2. Step 2: Convert to fraction form
    431,036,623.13/646,560,533.41 = 143,822,287.13/x
  3. Step 3: Cross multiply
    431,036,623.13x = 646,560,533.41 × 143,822,287.13
  4. Step 4: Simplify right side
    431,036,623.13x = 92,989,814,679,426,624
  5. Step 5: Solve for x
    x = 92,989,814,679,426,624/431,036,623.13
  6. Step 6: Final answer
    x = 215,735,298.79

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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.