Home / 28,939,123,840.44-39,937,068,684.58-17,353,616,885.23

Finding the Fourth Proportional to 28,939,123,840.44, 39,937,068,684.58 and 17,353,616,885.23

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Solution

The fourth proportional to 28,939,123,840.44, 39,937,068,684.58 and 17,353,616,885.23 is: 23,948,637,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,123,840.44 : 39,937,068,684.58 = 17,353,616,885.23 : x
  2. Step 2: Convert to fraction form
    28,939,123,840.44/39,937,068,684.58 = 17,353,616,885.23/x
  3. Step 3: Cross multiply
    28,939,123,840.44x = 39,937,068,684.58 × 17,353,616,885.23
  4. Step 4: Simplify right side
    28,939,123,840.44x = 693,052,589,471,387,090,944
  5. Step 5: Solve for x
    x = 693,052,589,471,387,090,944/28,939,123,840.44
  6. Step 6: Final answer
    x = 23,948,637,605.36

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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.