Home / 19,920,132,756.55-27,489,716,464.75-10,887,885,630.74

Finding the Fourth Proportional to 19,920,132,756.55, 27,489,716,464.75 and 10,887,885,630.74

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Solution

The fourth proportional to 19,920,132,756.55, 27,489,716,464.75 and 10,887,885,630.74 is: 15,025,245,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,132,756.55 : 27,489,716,464.75 = 10,887,885,630.74 : x
  2. Step 2: Convert to fraction form
    19,920,132,756.55/27,489,716,464.75 = 10,887,885,630.74/x
  3. Step 3: Cross multiply
    19,920,132,756.55x = 27,489,716,464.75 × 10,887,885,630.74
  4. Step 4: Simplify right side
    19,920,132,756.55x = 299,304,888,889,668,337,664
  5. Step 5: Solve for x
    x = 299,304,888,889,668,337,664/19,920,132,756.55
  6. Step 6: Final answer
    x = 15,025,245,692.26

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Double scale
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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.