Home / 1,465,450,915.50-2,196,375,473.34-677,438,649.78

Finding the Fourth Proportional to 1,465,450,915.50, 2,196,375,473.34 and 677,438,649.78

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Solution

The fourth proportional to 1,465,450,915.50, 2,196,375,473.34 and 677,438,649.78 is: 1,015,325,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,450,915.50 : 2,196,375,473.34 = 677,438,649.78 : x
  2. Step 2: Convert to fraction form
    1,465,450,915.50/2,196,375,473.34 = 677,438,649.78/x
  3. Step 3: Cross multiply
    1,465,450,915.50x = 2,196,375,473.34 × 677,438,649.78
  4. Step 4: Simplify right side
    1,465,450,915.50x = 1,487,909,635,069,358,080
  5. Step 5: Solve for x
    x = 1,487,909,635,069,358,080/1,465,450,915.50
  6. Step 6: Final answer
    x = 1,015,325,466.95

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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.