Home / 514,945,899.96-772,346,124.90-165,146,513.76

Finding the Fourth Proportional to 514,945,899.96, 772,346,124.90 and 165,146,513.76

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Solution

The fourth proportional to 514,945,899.96, 772,346,124.90 and 165,146,513.76 is: 247,696,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945,899.96 : 772,346,124.90 = 165,146,513.76 : x
  2. Step 2: Convert to fraction form
    514,945,899.96/772,346,124.90 = 165,146,513.76/x
  3. Step 3: Cross multiply
    514,945,899.96x = 772,346,124.90 × 165,146,513.76
  4. Step 4: Simplify right side
    514,945,899.96x = 127,550,269,943,280,512
  5. Step 5: Solve for x
    x = 127,550,269,943,280,512/514,945,899.96
  6. Step 6: Final answer
    x = 247,696,447.24

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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.