Home / 28,939,123,840.45-39,937,068,684.59-17,353,616,885.23

Finding the Fourth Proportional to 28,939,123,840.45, 39,937,068,684.59 and 17,353,616,885.23

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Solution

The fourth proportional to 28,939,123,840.45, 39,937,068,684.59 and 17,353,616,885.23 is: 23,948,637,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,123,840.45 : 39,937,068,684.59 = 17,353,616,885.23 : x
  2. Step 2: Convert to fraction form
    28,939,123,840.45/39,937,068,684.59 = 17,353,616,885.23/x
  3. Step 3: Cross multiply
    28,939,123,840.45x = 39,937,068,684.59 × 17,353,616,885.23
  4. Step 4: Simplify right side
    28,939,123,840.45x = 693,052,589,471,404,523,520
  5. Step 5: Solve for x
    x = 693,052,589,471,404,523,520/28,939,123,840.45
  6. Step 6: Final answer
    x = 23,948,637,605.36

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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.