Home / 386,304,558.80-579,456,838.20-99,090,222.80

Finding the Fourth Proportional to 386,304,558.80, 579,456,838.20 and 99,090,222.80

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Solution

The fourth proportional to 386,304,558.80, 579,456,838.20 and 99,090,222.80 is: 148,635,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,304,558.80 : 579,456,838.20 = 99,090,222.80 : x
  2. Step 2: Convert to fraction form
    386,304,558.80/579,456,838.20 = 99,090,222.80/x
  3. Step 3: Cross multiply
    386,304,558.80x = 579,456,838.20 × 99,090,222.80
  4. Step 4: Simplify right side
    386,304,558.80x = 57,418,507,200,221,552
  5. Step 5: Solve for x
    x = 57,418,507,200,221,552/386,304,558.80
  6. Step 6: Final answer
    x = 148,635,334.20

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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.