Home / 770,583,298.88-1,063,404,952.56-418,159,289.61

Finding the Fourth Proportional to 770,583,298.88, 1,063,404,952.56 and 418,159,289.61

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Solution

The fourth proportional to 770,583,298.88, 1,063,404,952.56 and 418,159,289.61 is: 577,059,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,583,298.88 : 1,063,404,952.56 = 418,159,289.61 : x
  2. Step 2: Convert to fraction form
    770,583,298.88/1,063,404,952.56 = 418,159,289.61/x
  3. Step 3: Cross multiply
    770,583,298.88x = 1,063,404,952.56 × 418,159,289.61
  4. Step 4: Simplify right side
    770,583,298.88x = 444,672,659,530,245,312
  5. Step 5: Solve for x
    x = 444,672,659,530,245,312/770,583,298.88
  6. Step 6: Final answer
    x = 577,059,819.72

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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.