Home / 9,012,832,965.45-12,436,064,931.03-5,200,965,292.82

Finding the Fourth Proportional to 9,012,832,965.45, 12,436,064,931.03 and 5,200,965,292.82

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Solution

The fourth proportional to 9,012,832,965.45, 12,436,064,931.03 and 5,200,965,292.82 is: 7,176,383,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012,832,965.45 : 12,436,064,931.03 = 5,200,965,292.82 : x
  2. Step 2: Convert to fraction form
    9,012,832,965.45/12,436,064,931.03 = 5,200,965,292.82/x
  3. Step 3: Cross multiply
    9,012,832,965.45x = 12,436,064,931.03 × 5,200,965,292.82
  4. Step 4: Simplify right side
    9,012,832,965.45x = 64,679,542,085,480,792,064
  5. Step 5: Solve for x
    x = 64,679,542,085,480,792,064/9,012,832,965.45
  6. Step 6: Final answer
    x = 7,176,383,089.91

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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.