Home / 1,770,278,578.60-2,655,417,867.90-910,315,186.60

Finding the Fourth Proportional to 1,770,278,578.60, 2,655,417,867.90 and 910,315,186.60

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Solution

The fourth proportional to 1,770,278,578.60, 2,655,417,867.90 and 910,315,186.60 is: 1,365,472,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,278,578.60 : 2,655,417,867.90 = 910,315,186.60 : x
  2. Step 2: Convert to fraction form
    1,770,278,578.60/2,655,417,867.90 = 910,315,186.60/x
  3. Step 3: Cross multiply
    1,770,278,578.60x = 2,655,417,867.90 × 910,315,186.60
  4. Step 4: Simplify right side
    1,770,278,578.60x = 2,417,267,211,918,362,624
  5. Step 5: Solve for x
    x = 2,417,267,211,918,362,624/1,770,278,578.60
  6. Step 6: Final answer
    x = 1,365,472,779.90

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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.