Home / 1,236,969,811.96-1,851,417,263.22-909,358,533.88

Finding the Fourth Proportional to 1,236,969,811.96, 1,851,417,263.22 and 909,358,533.88

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Solution

The fourth proportional to 1,236,969,811.96, 1,851,417,263.22 and 909,358,533.88 is: 1,361,069,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,969,811.96 : 1,851,417,263.22 = 909,358,533.88 : x
  2. Step 2: Convert to fraction form
    1,236,969,811.96/1,851,417,263.22 = 909,358,533.88/x
  3. Step 3: Cross multiply
    1,236,969,811.96x = 1,851,417,263.22 × 909,358,533.88
  4. Step 4: Simplify right side
    1,236,969,811.96x = 1,683,602,088,081,861,376
  5. Step 5: Solve for x
    x = 1,683,602,088,081,861,376/1,236,969,811.96
  6. Step 6: Final answer
    x = 1,361,069,665.41

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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.