Home / 560,778,629.96-773,870,856.18-313,257,819.08

Finding the Fourth Proportional to 560,778,629.96, 773,870,856.18 and 313,257,819.08

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Solution

The fourth proportional to 560,778,629.96, 773,870,856.18 and 313,257,819.08 is: 432,293,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,778,629.96 : 773,870,856.18 = 313,257,819.08 : x
  2. Step 2: Convert to fraction form
    560,778,629.96/773,870,856.18 = 313,257,819.08/x
  3. Step 3: Cross multiply
    560,778,629.96x = 773,870,856.18 × 313,257,819.08
  4. Step 4: Simplify right side
    560,778,629.96x = 242,421,096,656,519,104
  5. Step 5: Solve for x
    x = 242,421,096,656,519,104/560,778,629.96
  6. Step 6: Final answer
    x = 432,293,749.63

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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.