Home / 812,004,463.92-1,120,374,020.76-459,580,464.72

Finding the Fourth Proportional to 812,004,463.92, 1,120,374,020.76 and 459,580,464.72

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Solution

The fourth proportional to 812,004,463.92, 1,120,374,020.76 and 459,580,464.72 is: 634,112,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,004,463.92 : 1,120,374,020.76 = 459,580,464.72 : x
  2. Step 2: Convert to fraction form
    812,004,463.92/1,120,374,020.76 = 459,580,464.72/x
  3. Step 3: Cross multiply
    812,004,463.92x = 1,120,374,020.76 × 459,580,464.72
  4. Step 4: Simplify right side
    812,004,463.92x = 514,902,013,121,095,744
  5. Step 5: Solve for x
    x = 514,902,013,121,095,744/812,004,463.92
  6. Step 6: Final answer
    x = 634,112,293.71

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Double scale
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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.