Home / 389,943,952.58-538,180,410.38-246,903,011.07

Finding the Fourth Proportional to 389,943,952.58, 538,180,410.38 and 246,903,011.07

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Solution

The fourth proportional to 389,943,952.58, 538,180,410.38 and 246,903,011.07 is: 340,762,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,952.58 : 538,180,410.38 = 246,903,011.07 : x
  2. Step 2: Convert to fraction form
    389,943,952.58/538,180,410.38 = 246,903,011.07/x
  3. Step 3: Cross multiply
    389,943,952.58x = 538,180,410.38 × 246,903,011.07
  4. Step 4: Simplify right side
    389,943,952.58x = 132,878,363,820,475,760
  5. Step 5: Solve for x
    x = 132,878,363,820,475,760/389,943,952.58
  6. Step 6: Final answer
    x = 340,762,724.86

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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.