Home / 2,989,629,307.80-4,484,443,961.70-919,082,027.70

Finding the Fourth Proportional to 2,989,629,307.80, 4,484,443,961.70 and 919,082,027.70

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Solution

The fourth proportional to 2,989,629,307.80, 4,484,443,961.70 and 919,082,027.70 is: 1,378,623,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,629,307.80 : 4,484,443,961.70 = 919,082,027.70 : x
  2. Step 2: Convert to fraction form
    2,989,629,307.80/4,484,443,961.70 = 919,082,027.70/x
  3. Step 3: Cross multiply
    2,989,629,307.80x = 4,484,443,961.70 × 919,082,027.70
  4. Step 4: Simplify right side
    2,989,629,307.80x = 4,121,571,849,426,257,408
  5. Step 5: Solve for x
    x = 4,121,571,849,426,257,408/2,989,629,307.80
  6. Step 6: Final answer
    x = 1,378,623,041.55

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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.