Home / 262,642,239.40-393,963,359.10-241,479,077.80

Finding the Fourth Proportional to 262,642,239.40, 393,963,359.10 and 241,479,077.80

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Solution

The fourth proportional to 262,642,239.40, 393,963,359.10 and 241,479,077.80 is: 362,218,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,642,239.40 : 393,963,359.10 = 241,479,077.80 : x
  2. Step 2: Convert to fraction form
    262,642,239.40/393,963,359.10 = 241,479,077.80/x
  3. Step 3: Cross multiply
    262,642,239.40x = 393,963,359.10 × 241,479,077.80
  4. Step 4: Simplify right side
    262,642,239.40x = 95,133,908,642,458,256
  5. Step 5: Solve for x
    x = 95,133,908,642,458,256/262,642,239.40
  6. Step 6: Final answer
    x = 362,218,616.70

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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.