Home / 340,716,097.20-511,074,145.80-243,970,215.60

Finding the Fourth Proportional to 340,716,097.20, 511,074,145.80 and 243,970,215.60

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Solution

The fourth proportional to 340,716,097.20, 511,074,145.80 and 243,970,215.60 is: 365,955,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,716,097.20 : 511,074,145.80 = 243,970,215.60 : x
  2. Step 2: Convert to fraction form
    340,716,097.20/511,074,145.80 = 243,970,215.60/x
  3. Step 3: Cross multiply
    340,716,097.20x = 511,074,145.80 × 243,970,215.60
  4. Step 4: Simplify right side
    340,716,097.20x = 124,686,869,538,411,840
  5. Step 5: Solve for x
    x = 124,686,869,538,411,840/340,716,097.20
  6. Step 6: Final answer
    x = 365,955,323.40

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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.