Home / 2,912,394,740.70-4,368,592,111.05-842,184,039.90

Finding the Fourth Proportional to 2,912,394,740.70, 4,368,592,111.05 and 842,184,039.90

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Solution

The fourth proportional to 2,912,394,740.70, 4,368,592,111.05 and 842,184,039.90 is: 1,263,276,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,394,740.70 : 4,368,592,111.05 = 842,184,039.90 : x
  2. Step 2: Convert to fraction form
    2,912,394,740.70/4,368,592,111.05 = 842,184,039.90/x
  3. Step 3: Cross multiply
    2,912,394,740.70x = 4,368,592,111.05 × 842,184,039.90
  4. Step 4: Simplify right side
    2,912,394,740.70x = 3,679,158,552,759,358,464
  5. Step 5: Solve for x
    x = 3,679,158,552,759,358,464/2,912,394,740.70
  6. Step 6: Final answer
    x = 1,263,276,059.85

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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.