Home / 389,943,953.33-538,180,411.41-246,903,011.82

Finding the Fourth Proportional to 389,943,953.33, 538,180,411.41 and 246,903,011.82

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Solution

The fourth proportional to 389,943,953.33, 538,180,411.41 and 246,903,011.82 is: 340,762,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,953.33 : 538,180,411.41 = 246,903,011.82 : x
  2. Step 2: Convert to fraction form
    389,943,953.33/538,180,411.41 = 246,903,011.82/x
  3. Step 3: Cross multiply
    389,943,953.33x = 538,180,411.41 × 246,903,011.82
  4. Step 4: Simplify right side
    389,943,953.33x = 132,878,364,479,655,680
  5. Step 5: Solve for x
    x = 132,878,364,479,655,680/389,943,953.33
  6. Step 6: Final answer
    x = 340,762,725.89

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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.