Home / 3,139,747,271.80-4,709,620,907.70-958,709,908.60

Finding the Fourth Proportional to 3,139,747,271.80, 4,709,620,907.70 and 958,709,908.60

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Solution

The fourth proportional to 3,139,747,271.80, 4,709,620,907.70 and 958,709,908.60 is: 1,438,064,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,747,271.80 : 4,709,620,907.70 = 958,709,908.60 : x
  2. Step 2: Convert to fraction form
    3,139,747,271.80/4,709,620,907.70 = 958,709,908.60/x
  3. Step 3: Cross multiply
    3,139,747,271.80x = 4,709,620,907.70 × 958,709,908.60
  4. Step 4: Simplify right side
    3,139,747,271.80x = 4,515,160,229,961,715,712
  5. Step 5: Solve for x
    x = 4,515,160,229,961,715,712/3,139,747,271.80
  6. Step 6: Final answer
    x = 1,438,064,862.90

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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.