Home / 1,242,071,358.94-1,862,909,595.98-412,956,039.34

Finding the Fourth Proportional to 1,242,071,358.94, 1,862,909,595.98 and 412,956,039.34

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Solution

The fourth proportional to 1,242,071,358.94, 1,862,909,595.98 and 412,956,039.34 is: 619,368,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,071,358.94 : 1,862,909,595.98 = 412,956,039.34 : x
  2. Step 2: Convert to fraction form
    1,242,071,358.94/1,862,909,595.98 = 412,956,039.34/x
  3. Step 3: Cross multiply
    1,242,071,358.94x = 1,862,909,595.98 × 412,956,039.34
  4. Step 4: Simplify right side
    1,242,071,358.94x = 769,299,768,404,380,288
  5. Step 5: Solve for x
    x = 769,299,768,404,380,288/1,242,071,358.94
  6. Step 6: Final answer
    x = 619,368,414.60

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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.