Home / 1,236,969,786.96-1,851,417,225.72-909,358,508.88

Finding the Fourth Proportional to 1,236,969,786.96, 1,851,417,225.72 and 909,358,508.88

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Solution

The fourth proportional to 1,236,969,786.96, 1,851,417,225.72 and 909,358,508.88 is: 1,361,069,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,969,786.96 : 1,851,417,225.72 = 909,358,508.88 : x
  2. Step 2: Convert to fraction form
    1,236,969,786.96/1,851,417,225.72 = 909,358,508.88/x
  3. Step 3: Cross multiply
    1,236,969,786.96x = 1,851,417,225.72 × 909,358,508.88
  4. Step 4: Simplify right side
    1,236,969,786.96x = 1,683,602,007,695,485,696
  5. Step 5: Solve for x
    x = 1,683,602,007,695,485,696/1,236,969,786.96
  6. Step 6: Final answer
    x = 1,361,069,627.93

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1.5x scale

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.