Home / 393,517,808.32-589,881,675.12-134,555,925.28

Finding the Fourth Proportional to 393,517,808.32, 589,881,675.12 and 134,555,925.28

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Solution

The fourth proportional to 393,517,808.32, 589,881,675.12 and 134,555,925.28 is: 201,698,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,517,808.32 : 589,881,675.12 = 134,555,925.28 : x
  2. Step 2: Convert to fraction form
    393,517,808.32/589,881,675.12 = 134,555,925.28/x
  3. Step 3: Cross multiply
    393,517,808.32x = 589,881,675.12 × 134,555,925.28
  4. Step 4: Simplify right side
    393,517,808.32x = 79,372,074,601,487,952
  5. Step 5: Solve for x
    x = 79,372,074,601,487,952/393,517,808.32
  6. Step 6: Final answer
    x = 201,698,812.41

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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.