Home / 28,713,213,757.82-43,076,223,909.68-8,818,108,987.20

Finding the Fourth Proportional to 28,713,213,757.82, 43,076,223,909.68 and 8,818,108,987.20

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Solution

The fourth proportional to 28,713,213,757.82, 43,076,223,909.68 and 8,818,108,987.20 is: 13,229,129,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713,213,757.82 : 43,076,223,909.68 = 8,818,108,987.20 : x
  2. Step 2: Convert to fraction form
    28,713,213,757.82/43,076,223,909.68 = 8,818,108,987.20/x
  3. Step 3: Cross multiply
    28,713,213,757.82x = 43,076,223,909.68 × 8,818,108,987.20
  4. Step 4: Simplify right side
    28,713,213,757.82x = 379,850,837,192,544,681,984
  5. Step 5: Solve for x
    x = 379,850,837,192,544,681,984/28,713,213,757.82
  6. Step 6: Final answer
    x = 13,229,129,988.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.