Home / 2,787,574,491.15-4,179,833,408.13-1,105,155,616.92

Finding the Fourth Proportional to 2,787,574,491.15, 4,179,833,408.13 and 1,105,155,616.92

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Solution

The fourth proportional to 2,787,574,491.15, 4,179,833,408.13 and 1,105,155,616.92 is: 1,657,127,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,574,491.15 : 4,179,833,408.13 = 1,105,155,616.92 : x
  2. Step 2: Convert to fraction form
    2,787,574,491.15/4,179,833,408.13 = 1,105,155,616.92/x
  3. Step 3: Cross multiply
    2,787,574,491.15x = 4,179,833,408.13 × 1,105,155,616.92
  4. Step 4: Simplify right side
    2,787,574,491.15x = 4,619,366,368,784,736,256
  5. Step 5: Solve for x
    x = 4,619,366,368,784,736,256/2,787,574,491.15
  6. Step 6: Final answer
    x = 1,657,127,507.61

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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.