Home / 1,034,245,367.20-1,551,368,050.80-905,105,204.20

Finding the Fourth Proportional to 1,034,245,367.20, 1,551,368,050.80 and 905,105,204.20

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Solution

The fourth proportional to 1,034,245,367.20, 1,551,368,050.80 and 905,105,204.20 is: 1,357,657,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,245,367.20 : 1,551,368,050.80 = 905,105,204.20 : x
  2. Step 2: Convert to fraction form
    1,034,245,367.20/1,551,368,050.80 = 905,105,204.20/x
  3. Step 3: Cross multiply
    1,034,245,367.20x = 1,551,368,050.80 × 905,105,204.20
  4. Step 4: Simplify right side
    1,034,245,367.20x = 1,404,151,296,408,689,920
  5. Step 5: Solve for x
    x = 1,404,151,296,408,689,920/1,034,245,367.20
  6. Step 6: Final answer
    x = 1,357,657,806.30

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Half scale
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Double scale
Find fourth proportional to 1,034,245,368.20, 1,551,368,052.30 and 905,105,205.20
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.