Home / 28,889,399,749.04-39,867,694,855.44-16,029,272,561.52

Finding the Fourth Proportional to 28,889,399,749.04, 39,867,694,855.44 and 16,029,272,561.52

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Solution

The fourth proportional to 28,889,399,749.04, 39,867,694,855.44 and 16,029,272,561.52 is: 22,120,575,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,399,749.04 : 39,867,694,855.44 = 16,029,272,561.52 : x
  2. Step 2: Convert to fraction form
    28,889,399,749.04/39,867,694,855.44 = 16,029,272,561.52/x
  3. Step 3: Cross multiply
    28,889,399,749.04x = 39,867,694,855.44 × 16,029,272,561.52
  4. Step 4: Simplify right side
    28,889,399,749.04x = 639,050,147,237,356,503,040
  5. Step 5: Solve for x
    x = 639,050,147,237,356,503,040/28,889,399,749.04
  6. Step 6: Final answer
    x = 22,120,575,463.28

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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.