Home / 4,709,620,907.70-7,064,431,361.55-1,438,064,862.90

Finding the Fourth Proportional to 4,709,620,907.70, 7,064,431,361.55 and 1,438,064,862.90

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Solution

The fourth proportional to 4,709,620,907.70, 7,064,431,361.55 and 1,438,064,862.90 is: 2,157,097,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709,620,907.70 : 7,064,431,361.55 = 1,438,064,862.90 : x
  2. Step 2: Convert to fraction form
    4,709,620,907.70/7,064,431,361.55 = 1,438,064,862.90/x
  3. Step 3: Cross multiply
    4,709,620,907.70x = 7,064,431,361.55 × 1,438,064,862.90
  4. Step 4: Simplify right side
    4,709,620,907.70x = 10,159,110,517,413,861,376
  5. Step 5: Solve for x
    x = 10,159,110,517,413,861,376/4,709,620,907.70
  6. Step 6: Final answer
    x = 2,157,097,294.35

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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.