Home / 871,290,423.54-1,202,345,798.85-474,804,962.64

Finding the Fourth Proportional to 871,290,423.54, 1,202,345,798.85 and 474,804,962.64

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Solution

The fourth proportional to 871,290,423.54, 1,202,345,798.85 and 474,804,962.64 is: 655,211,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,290,423.54 : 1,202,345,798.85 = 474,804,962.64 : x
  2. Step 2: Convert to fraction form
    871,290,423.54/1,202,345,798.85 = 474,804,962.64/x
  3. Step 3: Cross multiply
    871,290,423.54x = 1,202,345,798.85 × 474,804,962.64
  4. Step 4: Simplify right side
    871,290,423.54x = 570,879,752,103,335,168
  5. Step 5: Solve for x
    x = 570,879,752,103,335,168/871,290,423.54
  6. Step 6: Final answer
    x = 655,211,783.21

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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.