Home / 871,290,424.52-1,202,345,800.22-474,804,963.62

Finding the Fourth Proportional to 871,290,424.52, 1,202,345,800.22 and 474,804,963.62

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Solution

The fourth proportional to 871,290,424.52, 1,202,345,800.22 and 474,804,963.62 is: 655,211,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,290,424.52 : 1,202,345,800.22 = 474,804,963.62 : x
  2. Step 2: Convert to fraction form
    871,290,424.52/1,202,345,800.22 = 474,804,963.62/x
  3. Step 3: Cross multiply
    871,290,424.52x = 1,202,345,800.22 × 474,804,963.62
  4. Step 4: Simplify right side
    871,290,424.52x = 570,879,753,932,116,928
  5. Step 5: Solve for x
    x = 570,879,753,932,116,928/871,290,424.52
  6. Step 6: Final answer
    x = 655,211,784.57

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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.