Home / 1,083,621,877.40-1,625,432,816.10-265,734,178.40

Finding the Fourth Proportional to 1,083,621,877.40, 1,625,432,816.10 and 265,734,178.40

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Solution

The fourth proportional to 1,083,621,877.40, 1,625,432,816.10 and 265,734,178.40 is: 398,601,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,621,877.40 : 1,625,432,816.10 = 265,734,178.40 : x
  2. Step 2: Convert to fraction form
    1,083,621,877.40/1,625,432,816.10 = 265,734,178.40/x
  3. Step 3: Cross multiply
    1,083,621,877.40x = 1,625,432,816.10 × 265,734,178.40
  4. Step 4: Simplify right side
    1,083,621,877.40x = 431,933,053,930,731,776
  5. Step 5: Solve for x
    x = 431,933,053,930,731,776/1,083,621,877.40
  6. Step 6: Final answer
    x = 398,601,267.60

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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.