Home / 923,943,643.28-1,386,090,257.88-371,289,093.20

Finding the Fourth Proportional to 923,943,643.28, 1,386,090,257.88 and 371,289,093.20

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Solution

The fourth proportional to 923,943,643.28, 1,386,090,257.88 and 371,289,093.20 is: 557,003,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,943,643.28 : 1,386,090,257.88 = 371,289,093.20 : x
  2. Step 2: Convert to fraction form
    923,943,643.28/1,386,090,257.88 = 371,289,093.20/x
  3. Step 3: Cross multiply
    923,943,643.28x = 1,386,090,257.88 × 371,289,093.20
  4. Step 4: Simplify right side
    923,943,643.28x = 514,640,194,941,619,392
  5. Step 5: Solve for x
    x = 514,640,194,941,619,392/923,943,643.28
  6. Step 6: Final answer
    x = 557,003,880.79

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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.