Home / 308,853,443.21-463,279,792.97-78,822,552.47

Finding the Fourth Proportional to 308,853,443.21, 463,279,792.97 and 78,822,552.47

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Solution

The fourth proportional to 308,853,443.21, 463,279,792.97 and 78,822,552.47 is: 118,233,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,443.21 : 463,279,792.97 = 78,822,552.47 : x
  2. Step 2: Convert to fraction form
    308,853,443.21/463,279,792.97 = 78,822,552.47/x
  3. Step 3: Cross multiply
    308,853,443.21x = 463,279,792.97 × 78,822,552.47
  4. Step 4: Simplify right side
    308,853,443.21x = 36,516,895,787,549,224
  5. Step 5: Solve for x
    x = 36,516,895,787,549,224/308,853,443.21
  6. Step 6: Final answer
    x = 118,233,733.80

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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.