Home / 1,346,070,439.46-1,857,887,142.87-789,332,847.86

Finding the Fourth Proportional to 1,346,070,439.46, 1,857,887,142.87 and 789,332,847.86

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Solution

The fourth proportional to 1,346,070,439.46, 1,857,887,142.87 and 789,332,847.86 is: 1,089,461,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,070,439.46 : 1,857,887,142.87 = 789,332,847.86 : x
  2. Step 2: Convert to fraction form
    1,346,070,439.46/1,857,887,142.87 = 789,332,847.86/x
  3. Step 3: Cross multiply
    1,346,070,439.46x = 1,857,887,142.87 × 789,332,847.86
  4. Step 4: Simplify right side
    1,346,070,439.46x = 1,466,491,349,484,055,808
  5. Step 5: Solve for x
    x = 1,466,491,349,484,055,808/1,346,070,439.46
  6. Step 6: Final answer
    x = 1,089,461,076.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.