Home / 1,003,621,471.10-1,384,916,431.20-580,262,294.80

Finding the Fourth Proportional to 1,003,621,471.10, 1,384,916,431.20 and 580,262,294.80

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Solution

The fourth proportional to 1,003,621,471.10, 1,384,916,431.20 and 580,262,294.80 is: 800,715,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,621,471.10 : 1,384,916,431.20 = 580,262,294.80 : x
  2. Step 2: Convert to fraction form
    1,003,621,471.10/1,384,916,431.20 = 580,262,294.80/x
  3. Step 3: Cross multiply
    1,003,621,471.10x = 1,384,916,431.20 × 580,262,294.80
  4. Step 4: Simplify right side
    1,003,621,471.10x = 803,614,786,474,338,304
  5. Step 5: Solve for x
    x = 803,614,786,474,338,304/1,003,621,471.10
  6. Step 6: Final answer
    x = 800,715,020.17

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Half scale
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Double scale
Find fourth proportional to 1,003,621,472.10, 1,384,916,432.58 and 580,262,295.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.