Home / 1,989,952,381,506.30-2,985,227,030,148.50-698,936,087,181.21

Finding the Fourth Proportional to 1,989,952,381,506.30, 2,985,227,030,148.50 and 698,936,087,181.21

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Solution

The fourth proportional to 1,989,952,381,506.30, 2,985,227,030,148.50 and 698,936,087,181.21 is: 1,048,508,958,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,506.30 : 2,985,227,030,148.50 = 698,936,087,181.21 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,506.30/2,985,227,030,148.50 = 698,936,087,181.21/x
  3. Step 3: Cross multiply
    1,989,952,381,506.30x = 2,985,227,030,148.50 × 698,936,087,181.21
  4. Step 4: Simplify right side
    1,989,952,381,506.30x = 2,086,482,899,799,576,426,840,064
  5. Step 5: Solve for x
    x = 2,086,482,899,799,576,426,840,064/1,989,952,381,506.30
  6. Step 6: Final answer
    x = 1,048,508,958,902.93

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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.