Home / 1,577,553,149.25-2,177,087,446.94-872,692,978.23

Finding the Fourth Proportional to 1,577,553,149.25, 2,177,087,446.94 and 872,692,978.23

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Solution

The fourth proportional to 1,577,553,149.25, 2,177,087,446.94 and 872,692,978.23 is: 1,204,351,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,553,149.25 : 2,177,087,446.94 = 872,692,978.23 : x
  2. Step 2: Convert to fraction form
    1,577,553,149.25/2,177,087,446.94 = 872,692,978.23/x
  3. Step 3: Cross multiply
    1,577,553,149.25x = 2,177,087,446.94 × 872,692,978.23
  4. Step 4: Simplify right side
    1,577,553,149.25x = 1,899,928,927,932,852,224
  5. Step 5: Solve for x
    x = 1,899,928,927,932,852,224/1,577,553,149.25
  6. Step 6: Final answer
    x = 1,204,351,770.23

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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.