Home / 19,132,397,232.30-28,698,595,848.45-18,874,408,214.70

Finding the Fourth Proportional to 19,132,397,232.30, 28,698,595,848.45 and 18,874,408,214.70

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Solution

The fourth proportional to 19,132,397,232.30, 28,698,595,848.45 and 18,874,408,214.70 is: 28,311,612,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,397,232.30 : 28,698,595,848.45 = 18,874,408,214.70 : x
  2. Step 2: Convert to fraction form
    19,132,397,232.30/28,698,595,848.45 = 18,874,408,214.70/x
  3. Step 3: Cross multiply
    19,132,397,232.30x = 28,698,595,848.45 × 18,874,408,214.70
  4. Step 4: Simplify right side
    19,132,397,232.30x = 541,669,013,232,340,041,728
  5. Step 5: Solve for x
    x = 541,669,013,232,340,041,728/19,132,397,232.30
  6. Step 6: Final answer
    x = 28,311,612,322.05

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Double scale
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1.5x scale

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.