Home / 1,989,952,381,516.70-2,985,227,030,164.30-698,936,087,191.72

Finding the Fourth Proportional to 1,989,952,381,516.70, 2,985,227,030,164.30 and 698,936,087,191.72

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Solution

The fourth proportional to 1,989,952,381,516.70, 2,985,227,030,164.30 and 698,936,087,191.72 is: 1,048,508,958,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,516.70 : 2,985,227,030,164.30 = 698,936,087,191.72 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,516.70/2,985,227,030,164.30 = 698,936,087,191.72/x
  3. Step 3: Cross multiply
    1,989,952,381,516.70x = 2,985,227,030,164.30 × 698,936,087,191.72
  4. Step 4: Simplify right side
    1,989,952,381,516.70x = 2,086,482,899,841,994,329,161,728
  5. Step 5: Solve for x
    x = 2,086,482,899,841,994,329,161,728/1,989,952,381,516.70
  6. Step 6: Final answer
    x = 1,048,508,958,918.77

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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.