Home / 354,642,048.30-531,963,072.45-298,521,878.70

Finding the Fourth Proportional to 354,642,048.30, 531,963,072.45 and 298,521,878.70

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Solution

The fourth proportional to 354,642,048.30, 531,963,072.45 and 298,521,878.70 is: 447,782,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,642,048.30 : 531,963,072.45 = 298,521,878.70 : x
  2. Step 2: Convert to fraction form
    354,642,048.30/531,963,072.45 = 298,521,878.70/x
  3. Step 3: Cross multiply
    354,642,048.30x = 531,963,072.45 × 298,521,878.70
  4. Step 4: Simplify right side
    354,642,048.30x = 158,802,615,786,798,208
  5. Step 5: Solve for x
    x = 158,802,615,786,798,208/354,642,048.30
  6. Step 6: Final answer
    x = 447,782,818.05

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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.