Home / 1,195,538,783.24-1,793,826,108.30-642,195,606.80

Finding the Fourth Proportional to 1,195,538,783.24, 1,793,826,108.30 and 642,195,606.80

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Solution

The fourth proportional to 1,195,538,783.24, 1,793,826,108.30 and 642,195,606.80 is: 963,571,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,538,783.24 : 1,793,826,108.30 = 642,195,606.80 : x
  2. Step 2: Convert to fraction form
    1,195,538,783.24/1,793,826,108.30 = 642,195,606.80/x
  3. Step 3: Cross multiply
    1,195,538,783.24x = 1,793,826,108.30 × 642,195,606.80
  4. Step 4: Simplify right side
    1,195,538,783.24x = 1,151,987,246,113,400,960
  5. Step 5: Solve for x
    x = 1,151,987,246,113,400,960/1,195,538,783.24
  6. Step 6: Final answer
    x = 963,571,623.32

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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.