Home / 1,989,952,381,515.70-2,985,227,030,162.80-698,936,087,190.72

Finding the Fourth Proportional to 1,989,952,381,515.70, 2,985,227,030,162.80 and 698,936,087,190.72

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Solution

The fourth proportional to 1,989,952,381,515.70, 2,985,227,030,162.80 and 698,936,087,190.72 is: 1,048,508,958,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,515.70 : 2,985,227,030,162.80 = 698,936,087,190.72 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,515.70/2,985,227,030,162.80 = 698,936,087,190.72/x
  3. Step 3: Cross multiply
    1,989,952,381,515.70x = 2,985,227,030,162.80 × 698,936,087,190.72
  4. Step 4: Simplify right side
    1,989,952,381,515.70x = 2,086,482,899,837,960,549,564,416
  5. Step 5: Solve for x
    x = 2,086,482,899,837,960,549,564,416/1,989,952,381,515.70
  6. Step 6: Final answer
    x = 1,048,508,958,917.27

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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.