Home / 578,280,953.64-867,766,094.07-209,844,648.30

Finding the Fourth Proportional to 578,280,953.64, 867,766,094.07 and 209,844,648.30

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Solution

The fourth proportional to 578,280,953.64, 867,766,094.07 and 209,844,648.30 is: 314,892,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,280,953.64 : 867,766,094.07 = 209,844,648.30 : x
  2. Step 2: Convert to fraction form
    578,280,953.64/867,766,094.07 = 209,844,648.30/x
  3. Step 3: Cross multiply
    578,280,953.64x = 867,766,094.07 × 209,844,648.30
  4. Step 4: Simplify right side
    578,280,953.64x = 182,096,070,816,783,872
  5. Step 5: Solve for x
    x = 182,096,070,816,783,872/578,280,953.64
  6. Step 6: Final answer
    x = 314,892,042.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.