Home / 1,429,477,340.86-1,972,372,733.22-834,491,811.70

Finding the Fourth Proportional to 1,429,477,340.86, 1,972,372,733.22 and 834,491,811.70

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Solution

The fourth proportional to 1,429,477,340.86, 1,972,372,733.22 and 834,491,811.70 is: 1,151,420,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,477,340.86 : 1,972,372,733.22 = 834,491,811.70 : x
  2. Step 2: Convert to fraction form
    1,429,477,340.86/1,972,372,733.22 = 834,491,811.70/x
  3. Step 3: Cross multiply
    1,429,477,340.86x = 1,972,372,733.22 × 834,491,811.70
  4. Step 4: Simplify right side
    1,429,477,340.86x = 1,645,928,895,492,438,784
  5. Step 5: Solve for x
    x = 1,645,928,895,492,438,784/1,429,477,340.86
  6. Step 6: Final answer
    x = 1,151,420,066.93

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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.