Home / 1,412,236,670.40-2,118,355,005.60-442,886,731.20

Finding the Fourth Proportional to 1,412,236,670.40, 2,118,355,005.60 and 442,886,731.20

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Solution

The fourth proportional to 1,412,236,670.40, 2,118,355,005.60 and 442,886,731.20 is: 664,330,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,236,670.40 : 2,118,355,005.60 = 442,886,731.20 : x
  2. Step 2: Convert to fraction form
    1,412,236,670.40/2,118,355,005.60 = 442,886,731.20/x
  3. Step 3: Cross multiply
    1,412,236,670.40x = 2,118,355,005.60 × 442,886,731.20
  4. Step 4: Simplify right side
    1,412,236,670.40x = 938,191,323,951,341,568
  5. Step 5: Solve for x
    x = 938,191,323,951,341,568/1,412,236,670.40
  6. Step 6: Final answer
    x = 664,330,096.80

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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.