Home / 1,275,945,541-1,913,918,309.34-306,597,157

Finding the Fourth Proportional to 1,275,945,541, 1,913,918,309.34 and 306,597,157

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Solution

The fourth proportional to 1,275,945,541, 1,913,918,309.34 and 306,597,157 is: 459,895,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,945,541 : 1,913,918,309.34 = 306,597,157 : x
  2. Step 2: Convert to fraction form
    1,275,945,541/1,913,918,309.34 = 306,597,157/x
  3. Step 3: Cross multiply
    1,275,945,541x = 1,913,918,309.34 × 306,597,157
  4. Step 4: Simplify right side
    1,275,945,541x = 586,801,912,373,890,560
  5. Step 5: Solve for x
    x = 586,801,912,373,890,560/1,275,945,541
  6. Step 6: Final answer
    x = 459,895,734.98

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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.