Home / 13,899,120,655,680-19,180,789,635,675-7,648,985,675,931.80

Finding the Fourth Proportional to 13,899,120,655,680, 19,180,789,635,675 and 7,648,985,675,931.80

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Solution

The fourth proportional to 13,899,120,655,680, 19,180,789,635,675 and 7,648,985,675,931.80 is: 10,555,601,955,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,120,655,680 : 19,180,789,635,675 = 7,648,985,675,931.80 : x
  2. Step 2: Convert to fraction form
    13,899,120,655,680/19,180,789,635,675 = 7,648,985,675,931.80/x
  3. Step 3: Cross multiply
    13,899,120,655,680x = 19,180,789,635,675 × 7,648,985,675,931.80
  4. Step 4: Simplify right side
    13,899,120,655,680x = 146,713,585,176,339,192,196,628,480
  5. Step 5: Solve for x
    x = 146,713,585,176,339,192,196,628,480/13,899,120,655,680
  6. Step 6: Final answer
    x = 10,555,601,955,752.75

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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.