Home / 1,092,414,654.20-1,638,621,981.30-759,520,011.80

Finding the Fourth Proportional to 1,092,414,654.20, 1,638,621,981.30 and 759,520,011.80

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Solution

The fourth proportional to 1,092,414,654.20, 1,638,621,981.30 and 759,520,011.80 is: 1,139,280,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,414,654.20 : 1,638,621,981.30 = 759,520,011.80 : x
  2. Step 2: Convert to fraction form
    1,092,414,654.20/1,638,621,981.30 = 759,520,011.80/x
  3. Step 3: Cross multiply
    1,092,414,654.20x = 1,638,621,981.30 × 759,520,011.80
  4. Step 4: Simplify right side
    1,092,414,654.20x = 1,244,566,186,572,715,264
  5. Step 5: Solve for x
    x = 1,244,566,186,572,715,264/1,092,414,654.20
  6. Step 6: Final answer
    x = 1,139,280,017.70

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Double scale
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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.