Home / 685,998,047.68-946,680,807.60-372,733,061.92

Finding the Fourth Proportional to 685,998,047.68, 946,680,807.60 and 372,733,061.92

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Solution

The fourth proportional to 685,998,047.68, 946,680,807.60 and 372,733,061.92 is: 514,373,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,998,047.68 : 946,680,807.60 = 372,733,061.92 : x
  2. Step 2: Convert to fraction form
    685,998,047.68/946,680,807.60 = 372,733,061.92/x
  3. Step 3: Cross multiply
    685,998,047.68x = 946,680,807.60 × 372,733,061.92
  4. Step 4: Simplify right side
    685,998,047.68x = 352,859,236,077,646,400
  5. Step 5: Solve for x
    x = 352,859,236,077,646,400/685,998,047.68
  6. Step 6: Final answer
    x = 514,373,528.13

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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.