Home / 828,304,871.04-1,143,084,640.32-457,050,816.72

Finding the Fourth Proportional to 828,304,871.04, 1,143,084,640.32 and 457,050,816.72

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Solution

The fourth proportional to 828,304,871.04, 1,143,084,640.32 and 457,050,816.72 is: 630,743,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,304,871.04 : 1,143,084,640.32 = 457,050,816.72 : x
  2. Step 2: Convert to fraction form
    828,304,871.04/1,143,084,640.32 = 457,050,816.72/x
  3. Step 3: Cross multiply
    828,304,871.04x = 1,143,084,640.32 × 457,050,816.72
  4. Step 4: Simplify right side
    828,304,871.04x = 522,447,768,438,343,424
  5. Step 5: Solve for x
    x = 522,447,768,438,343,424/828,304,871.04
  6. Step 6: Final answer
    x = 630,743,324.96

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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.