Home / 891,515,059.63-1,230,404,284.28-539,093,572.47

Finding the Fourth Proportional to 891,515,059.63, 1,230,404,284.28 and 539,093,572.47

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Solution

The fourth proportional to 891,515,059.63, 1,230,404,284.28 and 539,093,572.47 is: 744,017,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,515,059.63 : 1,230,404,284.28 = 539,093,572.47 : x
  2. Step 2: Convert to fraction form
    891,515,059.63/1,230,404,284.28 = 539,093,572.47/x
  3. Step 3: Cross multiply
    891,515,059.63x = 1,230,404,284.28 × 539,093,572.47
  4. Step 4: Simplify right side
    891,515,059.63x = 663,303,041,196,246,400
  5. Step 5: Solve for x
    x = 663,303,041,196,246,400/891,515,059.63
  6. Step 6: Final answer
    x = 744,017,763.95

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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.