Home / 1,377,589,289.58-1,900,991,298.65-782,791,222.23

Finding the Fourth Proportional to 1,377,589,289.58, 1,900,991,298.65 and 782,791,222.23

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Solution

The fourth proportional to 1,377,589,289.58, 1,900,991,298.65 and 782,791,222.23 is: 1,080,205,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,589,289.58 : 1,900,991,298.65 = 782,791,222.23 : x
  2. Step 2: Convert to fraction form
    1,377,589,289.58/1,900,991,298.65 = 782,791,222.23/x
  3. Step 3: Cross multiply
    1,377,589,289.58x = 1,900,991,298.65 × 782,791,222.23
  4. Step 4: Simplify right side
    1,377,589,289.58x = 1,488,079,302,114,914,560
  5. Step 5: Solve for x
    x = 1,488,079,302,114,914,560/1,377,589,289.58
  6. Step 6: Final answer
    x = 1,080,205,336.50

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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.