Home / 2,912,259,209.60-4,368,388,814.40-1,880,303,139.20

Finding the Fourth Proportional to 2,912,259,209.60, 4,368,388,814.40 and 1,880,303,139.20

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Solution

The fourth proportional to 2,912,259,209.60, 4,368,388,814.40 and 1,880,303,139.20 is: 2,820,454,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,259,209.60 : 4,368,388,814.40 = 1,880,303,139.20 : x
  2. Step 2: Convert to fraction form
    2,912,259,209.60/4,368,388,814.40 = 1,880,303,139.20/x
  3. Step 3: Cross multiply
    2,912,259,209.60x = 4,368,388,814.40 × 1,880,303,139.20
  4. Step 4: Simplify right side
    2,912,259,209.60x = 8,213,895,200,962,485,248
  5. Step 5: Solve for x
    x = 8,213,895,200,962,485,248/2,912,259,209.60
  6. Step 6: Final answer
    x = 2,820,454,708.80

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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.