Home / 1,260,873,683.10-1,889,717,999.85-613,246,931.10

Finding the Fourth Proportional to 1,260,873,683.10, 1,889,717,999.85 and 613,246,931.10

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Solution

The fourth proportional to 1,260,873,683.10, 1,889,717,999.85 and 613,246,931.10 is: 919,095,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,873,683.10 : 1,889,717,999.85 = 613,246,931.10 : x
  2. Step 2: Convert to fraction form
    1,260,873,683.10/1,889,717,999.85 = 613,246,931.10/x
  3. Step 3: Cross multiply
    1,260,873,683.10x = 1,889,717,999.85 × 613,246,931.10
  4. Step 4: Simplify right side
    1,260,873,683.10x = 1,158,863,764,052,442,624
  5. Step 5: Solve for x
    x = 1,158,863,764,052,442,624/1,260,873,683.10
  6. Step 6: Final answer
    x = 919,095,845.67

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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.