Home / 1,294,464,008.85-1,941,696,013.28-432,821,000.85

Finding the Fourth Proportional to 1,294,464,008.85, 1,941,696,013.28 and 432,821,000.85

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Solution

The fourth proportional to 1,294,464,008.85, 1,941,696,013.28 and 432,821,000.85 is: 649,231,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,464,008.85 : 1,941,696,013.28 = 432,821,000.85 : x
  2. Step 2: Convert to fraction form
    1,294,464,008.85/1,941,696,013.28 = 432,821,000.85/x
  3. Step 3: Cross multiply
    1,294,464,008.85x = 1,941,696,013.28 × 432,821,000.85
  4. Step 4: Simplify right side
    1,294,464,008.85x = 840,406,811,814,304,512
  5. Step 5: Solve for x
    x = 840,406,811,814,304,512/1,294,464,008.85
  6. Step 6: Final answer
    x = 649,231,501.28

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.