Home / 986,407,028.60-1,360,910,077.96-568,710,207.32

Finding the Fourth Proportional to 986,407,028.60, 1,360,910,077.96 and 568,710,207.32

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Solution

The fourth proportional to 986,407,028.60, 1,360,910,077.96 and 568,710,207.32 is: 784,628,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,407,028.60 : 1,360,910,077.96 = 568,710,207.32 : x
  2. Step 2: Convert to fraction form
    986,407,028.60/1,360,910,077.96 = 568,710,207.32/x
  3. Step 3: Cross multiply
    986,407,028.60x = 1,360,910,077.96 × 568,710,207.32
  4. Step 4: Simplify right side
    986,407,028.60x = 773,963,452,580,509,056
  5. Step 5: Solve for x
    x = 773,963,452,580,509,056/986,407,028.60
  6. Step 6: Final answer
    x = 784,628,890.65

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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.