Home / 826,527,791.37-1,140,608,288.31-455,249,822.76

Finding the Fourth Proportional to 826,527,791.37, 1,140,608,288.31 and 455,249,822.76

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Solution

The fourth proportional to 826,527,791.37, 1,140,608,288.31 and 455,249,822.76 is: 628,244,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527,791.37 : 1,140,608,288.31 = 455,249,822.76 : x
  2. Step 2: Convert to fraction form
    826,527,791.37/1,140,608,288.31 = 455,249,822.76/x
  3. Step 3: Cross multiply
    826,527,791.37x = 1,140,608,288.31 × 455,249,822.76
  4. Step 4: Simplify right side
    826,527,791.37x = 519,261,721,091,714,432
  5. Step 5: Solve for x
    x = 519,261,721,091,714,432/826,527,791.37
  6. Step 6: Final answer
    x = 628,244,720.28

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Double scale
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1.5x scale

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.