Home / 7,177,415,533.92-9,904,420,187.04-4,005,350,493.12

Finding the Fourth Proportional to 7,177,415,533.92, 9,904,420,187.04 and 4,005,350,493.12

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Solution

The fourth proportional to 7,177,415,533.92, 9,904,420,187.04 and 4,005,350,493.12 is: 5,527,153,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,415,533.92 : 9,904,420,187.04 = 4,005,350,493.12 : x
  2. Step 2: Convert to fraction form
    7,177,415,533.92/9,904,420,187.04 = 4,005,350,493.12/x
  3. Step 3: Cross multiply
    7,177,415,533.92x = 9,904,420,187.04 × 4,005,350,493.12
  4. Step 4: Simplify right side
    7,177,415,533.92x = 39,670,674,280,228,347,904
  5. Step 5: Solve for x
    x = 39,670,674,280,228,347,904/7,177,415,533.92
  6. Step 6: Final answer
    x = 5,527,153,066.83

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Double scale
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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.