Home / 7,122,111,626.08-9,829,690,968.24-3,951,317,106.40

Finding the Fourth Proportional to 7,122,111,626.08, 9,829,690,968.24 and 3,951,317,106.40

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Solution

The fourth proportional to 7,122,111,626.08, 9,829,690,968.24 and 3,951,317,106.40 is: 5,453,470,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,111,626.08 : 9,829,690,968.24 = 3,951,317,106.40 : x
  2. Step 2: Convert to fraction form
    7,122,111,626.08/9,829,690,968.24 = 3,951,317,106.40/x
  3. Step 3: Cross multiply
    7,122,111,626.08x = 9,829,690,968.24 × 3,951,317,106.40
  4. Step 4: Simplify right side
    7,122,111,626.08x = 38,840,226,073,432,293,376
  5. Step 5: Solve for x
    x = 38,840,226,073,432,293,376/7,122,111,626.08
  6. Step 6: Final answer
    x = 5,453,470,559.38

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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.