Home / 683,079,359.20-1,024,619,038.80-172,476,095.20

Finding the Fourth Proportional to 683,079,359.20, 1,024,619,038.80 and 172,476,095.20

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Solution

The fourth proportional to 683,079,359.20, 1,024,619,038.80 and 172,476,095.20 is: 258,714,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,079,359.20 : 1,024,619,038.80 = 172,476,095.20 : x
  2. Step 2: Convert to fraction form
    683,079,359.20/1,024,619,038.80 = 172,476,095.20/x
  3. Step 3: Cross multiply
    683,079,359.20x = 1,024,619,038.80 × 172,476,095.20
  4. Step 4: Simplify right side
    683,079,359.20x = 176,722,290,879,801,280
  5. Step 5: Solve for x
    x = 176,722,290,879,801,280/683,079,359.20
  6. Step 6: Final answer
    x = 258,714,142.80

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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.