Home / 945,621,411.40-1,418,432,117.10-892,052,158.60

Finding the Fourth Proportional to 945,621,411.40, 1,418,432,117.10 and 892,052,158.60

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Solution

The fourth proportional to 945,621,411.40, 1,418,432,117.10 and 892,052,158.60 is: 1,338,078,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,621,411.40 : 1,418,432,117.10 = 892,052,158.60 : x
  2. Step 2: Convert to fraction form
    945,621,411.40/1,418,432,117.10 = 892,052,158.60/x
  3. Step 3: Cross multiply
    945,621,411.40x = 1,418,432,117.10 × 892,052,158.60
  4. Step 4: Simplify right side
    945,621,411.40x = 1,265,315,431,886,622,976
  5. Step 5: Solve for x
    x = 1,265,315,431,886,622,976/945,621,411.40
  6. Step 6: Final answer
    x = 1,338,078,237.90

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Double scale
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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.