Home / 370,787,822.40-556,248,088.80-155,398,843.20

Finding the Fourth Proportional to 370,787,822.40, 556,248,088.80 and 155,398,843.20

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Solution

The fourth proportional to 370,787,822.40, 556,248,088.80 and 155,398,843.20 is: 233,126,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,787,822.40 : 556,248,088.80 = 155,398,843.20 : x
  2. Step 2: Convert to fraction form
    370,787,822.40/556,248,088.80 = 155,398,843.20/x
  3. Step 3: Cross multiply
    370,787,822.40x = 556,248,088.80 × 155,398,843.20
  4. Step 4: Simplify right side
    370,787,822.40x = 86,440,309,531,730,864
  5. Step 5: Solve for x
    x = 86,440,309,531,730,864/370,787,822.40
  6. Step 6: Final answer
    x = 233,126,074.56

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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.