Home / 853,983,640.60-1,280,975,460.90-681,796,756.60

Finding the Fourth Proportional to 853,983,640.60, 1,280,975,460.90 and 681,796,756.60

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Solution

The fourth proportional to 853,983,640.60, 1,280,975,460.90 and 681,796,756.60 is: 1,022,695,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,983,640.60 : 1,280,975,460.90 = 681,796,756.60 : x
  2. Step 2: Convert to fraction form
    853,983,640.60/1,280,975,460.90 = 681,796,756.60/x
  3. Step 3: Cross multiply
    853,983,640.60x = 1,280,975,460.90 × 681,796,756.60
  4. Step 4: Simplify right side
    853,983,640.60x = 873,364,914,525,810,176
  5. Step 5: Solve for x
    x = 873,364,914,525,810,176/853,983,640.60
  6. Step 6: Final answer
    x = 1,022,695,134.90

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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.