Home / 386,688,000.20-580,032,000.30-233,805,619.40

Finding the Fourth Proportional to 386,688,000.20, 580,032,000.30 and 233,805,619.40

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Solution

The fourth proportional to 386,688,000.20, 580,032,000.30 and 233,805,619.40 is: 350,708,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,688,000.20 : 580,032,000.30 = 233,805,619.40 : x
  2. Step 2: Convert to fraction form
    386,688,000.20/580,032,000.30 = 233,805,619.40/x
  3. Step 3: Cross multiply
    386,688,000.20x = 580,032,000.30 × 233,805,619.40
  4. Step 4: Simplify right side
    386,688,000.20x = 135,614,741,101,962,480
  5. Step 5: Solve for x
    x = 135,614,741,101,962,480/386,688,000.20
  6. Step 6: Final answer
    x = 350,708,429.10

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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.