Home / 2,912,259,207.60-4,368,388,811.40-1,880,303,137.20

Finding the Fourth Proportional to 2,912,259,207.60, 4,368,388,811.40 and 1,880,303,137.20

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Solution

The fourth proportional to 2,912,259,207.60, 4,368,388,811.40 and 1,880,303,137.20 is: 2,820,454,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,259,207.60 : 4,368,388,811.40 = 1,880,303,137.20 : x
  2. Step 2: Convert to fraction form
    2,912,259,207.60/4,368,388,811.40 = 1,880,303,137.20/x
  3. Step 3: Cross multiply
    2,912,259,207.60x = 4,368,388,811.40 × 1,880,303,137.20
  4. Step 4: Simplify right side
    2,912,259,207.60x = 8,213,895,186,584,798,208
  5. Step 5: Solve for x
    x = 8,213,895,186,584,798,208/2,912,259,207.60
  6. Step 6: Final answer
    x = 2,820,454,705.80

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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.