Home / 1,256,788,349.45-1,734,303,823.11-692,261,078.47

Finding the Fourth Proportional to 1,256,788,349.45, 1,734,303,823.11 and 692,261,078.47

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Solution

The fourth proportional to 1,256,788,349.45, 1,734,303,823.11 and 692,261,078.47 is: 955,284,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,788,349.45 : 1,734,303,823.11 = 692,261,078.47 : x
  2. Step 2: Convert to fraction form
    1,256,788,349.45/1,734,303,823.11 = 692,261,078.47/x
  3. Step 3: Cross multiply
    1,256,788,349.45x = 1,734,303,823.11 × 692,261,078.47
  4. Step 4: Simplify right side
    1,256,788,349.45x = 1,200,591,034,976,436,736
  5. Step 5: Solve for x
    x = 1,200,591,034,976,436,736/1,256,788,349.45
  6. Step 6: Final answer
    x = 955,284,981.36

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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.