Home / 13,161,356,856.48-19,741,339,981.92-4,317,030,703.92

Finding the Fourth Proportional to 13,161,356,856.48, 19,741,339,981.92 and 4,317,030,703.92

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Solution

The fourth proportional to 13,161,356,856.48, 19,741,339,981.92 and 4,317,030,703.92 is: 6,475,317,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,356,856.48 : 19,741,339,981.92 = 4,317,030,703.92 : x
  2. Step 2: Convert to fraction form
    13,161,356,856.48/19,741,339,981.92 = 4,317,030,703.92/x
  3. Step 3: Cross multiply
    13,161,356,856.48x = 19,741,339,981.92 × 4,317,030,703.92
  4. Step 4: Simplify right side
    13,161,356,856.48x = 85,223,970,838,472,130,560
  5. Step 5: Solve for x
    x = 85,223,970,838,472,130,560/13,161,356,856.48
  6. Step 6: Final answer
    x = 6,475,317,990.98

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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.