Home / 13,899,120,655,685-19,180,789,635,684-7,648,985,675,938

Finding the Fourth Proportional to 13,899,120,655,685, 19,180,789,635,684 and 7,648,985,675,938

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Solution

The fourth proportional to 13,899,120,655,685, 19,180,789,635,684 and 7,648,985,675,938 is: 10,555,601,955,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,120,655,685 : 19,180,789,635,684 = 7,648,985,675,938 : x
  2. Step 2: Convert to fraction form
    13,899,120,655,685/19,180,789,635,684 = 7,648,985,675,938/x
  3. Step 3: Cross multiply
    13,899,120,655,685x = 19,180,789,635,684 × 7,648,985,675,938
  4. Step 4: Simplify right side
    13,899,120,655,685x = 146,713,585,176,526,968,166,809,600
  5. Step 5: Solve for x
    x = 146,713,585,176,526,968,166,809,600/13,899,120,655,685
  6. Step 6: Final answer
    x = 10,555,601,955,762.46

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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.