Home / 19,132,397,109.30-28,698,595,663.95-18,874,408,091.70

Finding the Fourth Proportional to 19,132,397,109.30, 28,698,595,663.95 and 18,874,408,091.70

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Solution

The fourth proportional to 19,132,397,109.30, 28,698,595,663.95 and 18,874,408,091.70 is: 28,311,612,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,397,109.30 : 28,698,595,663.95 = 18,874,408,091.70 : x
  2. Step 2: Convert to fraction form
    19,132,397,109.30/28,698,595,663.95 = 18,874,408,091.70/x
  3. Step 3: Cross multiply
    19,132,397,109.30x = 28,698,595,663.95 × 18,874,408,091.70
  4. Step 4: Simplify right side
    19,132,397,109.30x = 541,669,006,220,084,445,184
  5. Step 5: Solve for x
    x = 541,669,006,220,084,445,184/19,132,397,109.30
  6. Step 6: Final answer
    x = 28,311,612,137.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.