Home / 13,899,120,655,680-19,180,789,635,676-7,648,985,675,932.40

Finding the Fourth Proportional to 13,899,120,655,680, 19,180,789,635,676 and 7,648,985,675,932.40

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Solution

The fourth proportional to 13,899,120,655,680, 19,180,789,635,676 and 7,648,985,675,932.40 is: 10,555,601,955,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,120,655,680 : 19,180,789,635,676 = 7,648,985,675,932.40 : x
  2. Step 2: Convert to fraction form
    13,899,120,655,680/19,180,789,635,676 = 7,648,985,675,932.40/x
  3. Step 3: Cross multiply
    13,899,120,655,680x = 19,180,789,635,676 × 7,648,985,675,932.40
  4. Step 4: Simplify right side
    13,899,120,655,680x = 146,713,585,176,358,364,930,637,824
  5. Step 5: Solve for x
    x = 146,713,585,176,358,364,930,637,824/13,899,120,655,680
  6. Step 6: Final answer
    x = 10,555,601,955,754.12

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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.