Home / 3,989,106,000.70-5,983,659,001.05-2,152,445,904.70

Finding the Fourth Proportional to 3,989,106,000.70, 5,983,659,001.05 and 2,152,445,904.70

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Solution

The fourth proportional to 3,989,106,000.70, 5,983,659,001.05 and 2,152,445,904.70 is: 3,228,668,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,106,000.70 : 5,983,659,001.05 = 2,152,445,904.70 : x
  2. Step 2: Convert to fraction form
    3,989,106,000.70/5,983,659,001.05 = 2,152,445,904.70/x
  3. Step 3: Cross multiply
    3,989,106,000.70x = 5,983,659,001.05 × 2,152,445,904.70
  4. Step 4: Simplify right side
    3,989,106,000.70x = 12,879,502,311,931,365,376
  5. Step 5: Solve for x
    x = 12,879,502,311,931,365,376/3,989,106,000.70
  6. Step 6: Final answer
    x = 3,228,668,857.05

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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.