Home / 349,478,491.32-482,290,567.65-190,718,864.94

Finding the Fourth Proportional to 349,478,491.32, 482,290,567.65 and 190,718,864.94

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Solution

The fourth proportional to 349,478,491.32, 482,290,567.65 and 190,718,864.94 is: 263,197,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,478,491.32 : 482,290,567.65 = 190,718,864.94 : x
  2. Step 2: Convert to fraction form
    349,478,491.32/482,290,567.65 = 190,718,864.94/x
  3. Step 3: Cross multiply
    349,478,491.32x = 482,290,567.65 × 190,718,864.94
  4. Step 4: Simplify right side
    349,478,491.32x = 91,981,909,633,476,272
  5. Step 5: Solve for x
    x = 91,981,909,633,476,272/349,478,491.32
  6. Step 6: Final answer
    x = 263,197,627.09

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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.