Home / 389,943,958.95-538,180,419.17-246,903,017.47

Finding the Fourth Proportional to 389,943,958.95, 538,180,419.17 and 246,903,017.47

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Solution

The fourth proportional to 389,943,958.95, 538,180,419.17 and 246,903,017.47 is: 340,762,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,958.95 : 538,180,419.17 = 246,903,017.47 : x
  2. Step 2: Convert to fraction form
    389,943,958.95/538,180,419.17 = 246,903,017.47/x
  3. Step 3: Cross multiply
    389,943,958.95x = 538,180,419.17 × 246,903,017.47
  4. Step 4: Simplify right side
    389,943,958.95x = 132,878,369,435,614,240
  5. Step 5: Solve for x
    x = 132,878,369,435,614,240/389,943,958.95
  6. Step 6: Final answer
    x = 340,762,733.68

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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.