Home / 1,042,315,578.84-1,438,390,271.34-566,001,692.94

Finding the Fourth Proportional to 1,042,315,578.84, 1,438,390,271.34 and 566,001,692.94

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Solution

The fourth proportional to 1,042,315,578.84, 1,438,390,271.34 and 566,001,692.94 is: 781,079,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,315,578.84 : 1,438,390,271.34 = 566,001,692.94 : x
  2. Step 2: Convert to fraction form
    1,042,315,578.84/1,438,390,271.34 = 566,001,692.94/x
  3. Step 3: Cross multiply
    1,042,315,578.84x = 1,438,390,271.34 × 566,001,692.94
  4. Step 4: Simplify right side
    1,042,315,578.84x = 814,131,328,684,036,096
  5. Step 5: Solve for x
    x = 814,131,328,684,036,096/1,042,315,578.84
  6. Step 6: Final answer
    x = 781,079,497.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.