Home / 7,872,435,015.40-11,822,257,412.70-4,199,114,823.40

Finding the Fourth Proportional to 7,872,435,015.40, 11,822,257,412.70 and 4,199,114,823.40

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Solution

The fourth proportional to 7,872,435,015.40, 11,822,257,412.70 and 4,199,114,823.40 is: 6,305,929,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,435,015.40 : 11,822,257,412.70 = 4,199,114,823.40 : x
  2. Step 2: Convert to fraction form
    7,872,435,015.40/11,822,257,412.70 = 4,199,114,823.40/x
  3. Step 3: Cross multiply
    7,872,435,015.40x = 11,822,257,412.70 × 4,199,114,823.40
  4. Step 4: Simplify right side
    7,872,435,015.40x = 49,643,016,347,719,106,560
  5. Step 5: Solve for x
    x = 49,643,016,347,719,106,560/7,872,435,015.40
  6. Step 6: Final answer
    x = 6,305,929,010.61

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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.