Home / 690,372,520.32-952,714,041.60-372,832,735.67

Finding the Fourth Proportional to 690,372,520.32, 952,714,041.60 and 372,832,735.67

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Solution

The fourth proportional to 690,372,520.32, 952,714,041.60 and 372,832,735.67 is: 514,509,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,520.32 : 952,714,041.60 = 372,832,735.67 : x
  2. Step 2: Convert to fraction form
    690,372,520.32/952,714,041.60 = 372,832,735.67/x
  3. Step 3: Cross multiply
    690,372,520.32x = 952,714,041.60 × 372,832,735.67
  4. Step 4: Simplify right side
    690,372,520.32x = 355,202,982,439,050,880
  5. Step 5: Solve for x
    x = 355,202,982,439,050,880/690,372,520.32
  6. Step 6: Final answer
    x = 514,509,155.54

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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.