Home / 622,650,135.80-859,267,401.39-371,776,447.98

Finding the Fourth Proportional to 622,650,135.80, 859,267,401.39 and 371,776,447.98

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Solution

The fourth proportional to 622,650,135.80, 859,267,401.39 and 371,776,447.98 is: 513,057,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,650,135.80 : 859,267,401.39 = 371,776,447.98 : x
  2. Step 2: Convert to fraction form
    622,650,135.80/859,267,401.39 = 371,776,447.98/x
  3. Step 3: Cross multiply
    622,650,135.80x = 859,267,401.39 × 371,776,447.98
  4. Step 4: Simplify right side
    622,650,135.80x = 319,455,382,353,779,136
  5. Step 5: Solve for x
    x = 319,455,382,353,779,136/622,650,135.80
  6. Step 6: Final answer
    x = 513,057,596.85

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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.