Home / 853,983,639.60-1,280,975,459.40-681,796,755.60

Finding the Fourth Proportional to 853,983,639.60, 1,280,975,459.40 and 681,796,755.60

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Solution

The fourth proportional to 853,983,639.60, 1,280,975,459.40 and 681,796,755.60 is: 1,022,695,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,983,639.60 : 1,280,975,459.40 = 681,796,755.60 : x
  2. Step 2: Convert to fraction form
    853,983,639.60/1,280,975,459.40 = 681,796,755.60/x
  3. Step 3: Cross multiply
    853,983,639.60x = 1,280,975,459.40 × 681,796,755.60
  4. Step 4: Simplify right side
    853,983,639.60x = 873,364,912,222,139,648
  5. Step 5: Solve for x
    x = 873,364,912,222,139,648/853,983,639.60
  6. Step 6: Final answer
    x = 1,022,695,133.40

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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.