Home / 393,654,829.80-590,482,244.70-189,133,588.20

Finding the Fourth Proportional to 393,654,829.80, 590,482,244.70 and 189,133,588.20

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Solution

The fourth proportional to 393,654,829.80, 590,482,244.70 and 189,133,588.20 is: 283,700,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,654,829.80 : 590,482,244.70 = 189,133,588.20 : x
  2. Step 2: Convert to fraction form
    393,654,829.80/590,482,244.70 = 189,133,588.20/x
  3. Step 3: Cross multiply
    393,654,829.80x = 590,482,244.70 × 189,133,588.20
  4. Step 4: Simplify right side
    393,654,829.80x = 111,680,025,708,501,440
  5. Step 5: Solve for x
    x = 111,680,025,708,501,440/393,654,829.80
  6. Step 6: Final answer
    x = 283,700,382.30

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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.