Home / 928,708,594.56-1,281,579,435.68-505,323,998.56

Finding the Fourth Proportional to 928,708,594.56, 1,281,579,435.68 and 505,323,998.56

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Solution

The fourth proportional to 928,708,594.56, 1,281,579,435.68 and 505,323,998.56 is: 697,326,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,708,594.56 : 1,281,579,435.68 = 505,323,998.56 : x
  2. Step 2: Convert to fraction form
    928,708,594.56/1,281,579,435.68 = 505,323,998.56/x
  3. Step 3: Cross multiply
    928,708,594.56x = 1,281,579,435.68 × 505,323,998.56
  4. Step 4: Simplify right side
    928,708,594.56x = 647,612,844,910,086,016
  5. Step 5: Solve for x
    x = 647,612,844,910,086,016/928,708,594.56
  6. Step 6: Final answer
    x = 697,326,210.51

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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.