Home / 1,667,142,000.30-2,500,713,000.45-440,310,451.80

Finding the Fourth Proportional to 1,667,142,000.30, 2,500,713,000.45 and 440,310,451.80

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Solution

The fourth proportional to 1,667,142,000.30, 2,500,713,000.45 and 440,310,451.80 is: 660,465,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,142,000.30 : 2,500,713,000.45 = 440,310,451.80 : x
  2. Step 2: Convert to fraction form
    1,667,142,000.30/2,500,713,000.45 = 440,310,451.80/x
  3. Step 3: Cross multiply
    1,667,142,000.30x = 2,500,713,000.45 × 440,310,451.80
  4. Step 4: Simplify right side
    1,667,142,000.30x = 1,101,090,071,050,273,024
  5. Step 5: Solve for x
    x = 1,101,090,071,050,273,024/1,667,142,000.30
  6. Step 6: Final answer
    x = 660,465,677.70

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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.