Home / 354,644,956.40-531,071,639.40-232,816,809.20

Finding the Fourth Proportional to 354,644,956.40, 531,071,639.40 and 232,816,809.20

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Solution

The fourth proportional to 354,644,956.40, 531,071,639.40 and 232,816,809.20 is: 348,637,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,644,956.40 : 531,071,639.40 = 232,816,809.20 : x
  2. Step 2: Convert to fraction form
    354,644,956.40/531,071,639.40 = 232,816,809.20/x
  3. Step 3: Cross multiply
    354,644,956.40x = 531,071,639.40 × 232,816,809.20
  4. Step 4: Simplify right side
    354,644,956.40x = 123,642,404,541,720,992
  5. Step 5: Solve for x
    x = 123,642,404,541,720,992/354,644,956.40
  6. Step 6: Final answer
    x = 348,637,143.46

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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.