Home / 586,724,129.78-808,870,245.69-468,049,514.18

Finding the Fourth Proportional to 586,724,129.78, 808,870,245.69 and 468,049,514.18

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Solution

The fourth proportional to 586,724,129.78, 808,870,245.69 and 468,049,514.18 is: 645,262,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,724,129.78 : 808,870,245.69 = 468,049,514.18 : x
  2. Step 2: Convert to fraction form
    586,724,129.78/808,870,245.69 = 468,049,514.18/x
  3. Step 3: Cross multiply
    586,724,129.78x = 808,870,245.69 × 468,049,514.18
  4. Step 4: Simplify right side
    586,724,129.78x = 378,591,325,529,861,760
  5. Step 5: Solve for x
    x = 378,591,325,529,861,760/586,724,129.78
  6. Step 6: Final answer
    x = 645,262,920.53

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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.