Home / 826,527,800.88-1,140,608,301.46-455,249,832.30

Finding the Fourth Proportional to 826,527,800.88, 1,140,608,301.46 and 455,249,832.30

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Solution

The fourth proportional to 826,527,800.88, 1,140,608,301.46 and 455,249,832.30 is: 628,244,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527,800.88 : 1,140,608,301.46 = 455,249,832.30 : x
  2. Step 2: Convert to fraction form
    826,527,800.88/1,140,608,301.46 = 455,249,832.30/x
  3. Step 3: Cross multiply
    826,527,800.88x = 1,140,608,301.46 × 455,249,832.30
  4. Step 4: Simplify right side
    826,527,800.88x = 519,261,737,959,652,864
  5. Step 5: Solve for x
    x = 519,261,737,959,652,864/826,527,800.88
  6. Step 6: Final answer
    x = 628,244,733.46

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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.