Home / 826,708,816.80-1,240,063,225.20-367,543,792.80

Finding the Fourth Proportional to 826,708,816.80, 1,240,063,225.20 and 367,543,792.80

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Solution

The fourth proportional to 826,708,816.80, 1,240,063,225.20 and 367,543,792.80 is: 551,315,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,708,816.80 : 1,240,063,225.20 = 367,543,792.80 : x
  2. Step 2: Convert to fraction form
    826,708,816.80/1,240,063,225.20 = 367,543,792.80/x
  3. Step 3: Cross multiply
    826,708,816.80x = 1,240,063,225.20 × 367,543,792.80
  4. Step 4: Simplify right side
    826,708,816.80x = 455,777,541,101,808,576
  5. Step 5: Solve for x
    x = 455,777,541,101,808,576/826,708,816.80
  6. Step 6: Final answer
    x = 551,315,689.20

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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.