Home / 9,384,532,107.84-12,950,786,947.68-5,155,834,806.72

Finding the Fourth Proportional to 9,384,532,107.84, 12,950,786,947.68 and 5,155,834,806.72

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Solution

The fourth proportional to 9,384,532,107.84, 12,950,786,947.68 and 5,155,834,806.72 is: 7,115,124,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384,532,107.84 : 12,950,786,947.68 = 5,155,834,806.72 : x
  2. Step 2: Convert to fraction form
    9,384,532,107.84/12,950,786,947.68 = 5,155,834,806.72/x
  3. Step 3: Cross multiply
    9,384,532,107.84x = 12,950,786,947.68 × 5,155,834,806.72
  4. Step 4: Simplify right side
    9,384,532,107.84x = 66,772,118,119,263,617,024
  5. Step 5: Solve for x
    x = 66,772,118,119,263,617,024/9,384,532,107.84
  6. Step 6: Final answer
    x = 7,115,124,904.68

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1.5x scale

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.