Home / 514,945,881.92-772,346,097.88-165,146,495.68

Finding the Fourth Proportional to 514,945,881.92, 772,346,097.88 and 165,146,495.68

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Solution

The fourth proportional to 514,945,881.92, 772,346,097.88 and 165,146,495.68 is: 247,696,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945,881.92 : 772,346,097.88 = 165,146,495.68 : x
  2. Step 2: Convert to fraction form
    514,945,881.92/772,346,097.88 = 165,146,495.68/x
  3. Step 3: Cross multiply
    514,945,881.92x = 772,346,097.88 × 165,146,495.68
  4. Step 4: Simplify right side
    514,945,881.92x = 127,550,251,517,004,288
  5. Step 5: Solve for x
    x = 127,550,251,517,004,288/514,945,881.92
  6. Step 6: Final answer
    x = 247,696,420.14

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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.