Home / 1,989,952,381,499.20-2,985,227,030,138-698,936,087,174.20

Finding the Fourth Proportional to 1,989,952,381,499.20, 2,985,227,030,138 and 698,936,087,174.20

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Solution

The fourth proportional to 1,989,952,381,499.20, 2,985,227,030,138 and 698,936,087,174.20 is: 1,048,508,958,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,499.20 : 2,985,227,030,138 = 698,936,087,174.20 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,499.20/2,985,227,030,138 = 698,936,087,174.20/x
  3. Step 3: Cross multiply
    1,989,952,381,499.20x = 2,985,227,030,138 × 698,936,087,174.20
  4. Step 4: Simplify right side
    1,989,952,381,499.20x = 2,086,482,899,771,311,247,065,088
  5. Step 5: Solve for x
    x = 2,086,482,899,771,311,247,065,088/1,989,952,381,499.20
  6. Step 6: Final answer
    x = 1,048,508,958,892.47

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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.