Home / 12,747,342,124.80-17,591,349,078.24-7,031,497,616.64

Finding the Fourth Proportional to 12,747,342,124.80, 17,591,349,078.24 and 7,031,497,616.64

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Solution

The fourth proportional to 12,747,342,124.80, 17,591,349,078.24 and 7,031,497,616.64 is: 9,703,476,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,342,124.80 : 17,591,349,078.24 = 7,031,497,616.64 : x
  2. Step 2: Convert to fraction form
    12,747,342,124.80/17,591,349,078.24 = 7,031,497,616.64/x
  3. Step 3: Cross multiply
    12,747,342,124.80x = 17,591,349,078.24 × 7,031,497,616.64
  4. Step 4: Simplify right side
    12,747,342,124.80x = 123,693,529,117,126,836,224
  5. Step 5: Solve for x
    x = 123,693,529,117,126,836,224/12,747,342,124.80
  6. Step 6: Final answer
    x = 9,703,476,058.47

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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.