Home / 20,677,066,569.23-28,533,598,531.61-11,521,122,336.47

Finding the Fourth Proportional to 20,677,066,569.23, 28,533,598,531.61 and 11,521,122,336.47

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Solution

The fourth proportional to 20,677,066,569.23, 28,533,598,531.61 and 11,521,122,336.47 is: 15,898,729,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677,066,569.23 : 28,533,598,531.61 = 11,521,122,336.47 : x
  2. Step 2: Convert to fraction form
    20,677,066,569.23/28,533,598,531.61 = 11,521,122,336.47/x
  3. Step 3: Cross multiply
    20,677,066,569.23x = 28,533,598,531.61 × 11,521,122,336.47
  4. Step 4: Simplify right side
    20,677,066,569.23x = 328,739,079,382,433,595,392
  5. Step 5: Solve for x
    x = 328,739,079,382,433,595,392/20,677,066,569.23
  6. Step 6: Final answer
    x = 15,898,729,071.74

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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.