Home / 389,943,957.84-538,180,417.62-246,903,016.32

Finding the Fourth Proportional to 389,943,957.84, 538,180,417.62 and 246,903,016.32

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Solution

The fourth proportional to 389,943,957.84, 538,180,417.62 and 246,903,016.32 is: 340,762,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,957.84 : 538,180,417.62 = 246,903,016.32 : x
  2. Step 2: Convert to fraction form
    389,943,957.84/538,180,417.62 = 246,903,016.32/x
  3. Step 3: Cross multiply
    389,943,957.84x = 538,180,417.62 × 246,903,016.32
  4. Step 4: Simplify right side
    389,943,957.84x = 132,878,368,434,735,280
  5. Step 5: Solve for x
    x = 132,878,368,434,735,280/389,943,957.84
  6. Step 6: Final answer
    x = 340,762,732.09

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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.