Home / 402,593,216,856.80-555,590,427,838.56-219,702,103,347.22

Finding the Fourth Proportional to 402,593,216,856.80, 555,590,427,838.56 and 219,702,103,347.22

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Solution

The fourth proportional to 402,593,216,856.80, 555,590,427,838.56 and 219,702,103,347.22 is: 303,195,335,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,593,216,856.80 : 555,590,427,838.56 = 219,702,103,347.22 : x
  2. Step 2: Convert to fraction form
    402,593,216,856.80/555,590,427,838.56 = 219,702,103,347.22/x
  3. Step 3: Cross multiply
    402,593,216,856.80x = 555,590,427,838.56 × 219,702,103,347.22
  4. Step 4: Simplify right side
    402,593,216,856.80x = 122,064,385,595,713,494,450,176
  5. Step 5: Solve for x
    x = 122,064,385,595,713,494,450,176/402,593,216,856.80
  6. Step 6: Final answer
    x = 303,195,335,849.71

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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.