Home / 374,173,020.72-516,362,109.75-206,920,599.21

Finding the Fourth Proportional to 374,173,020.72, 516,362,109.75 and 206,920,599.21

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Solution

The fourth proportional to 374,173,020.72, 516,362,109.75 and 206,920,599.21 is: 285,552,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,173,020.72 : 516,362,109.75 = 206,920,599.21 : x
  2. Step 2: Convert to fraction form
    374,173,020.72/516,362,109.75 = 206,920,599.21/x
  3. Step 3: Cross multiply
    374,173,020.72x = 516,362,109.75 × 206,920,599.21
  4. Step 4: Simplify right side
    374,173,020.72x = 106,845,957,158,809,792
  5. Step 5: Solve for x
    x = 106,845,957,158,809,792/374,173,020.72
  6. Step 6: Final answer
    x = 285,552,274.60

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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.