Home / 620,636,191.42-857,295,499.05-460,025,768.06

Finding the Fourth Proportional to 620,636,191.42, 857,295,499.05 and 460,025,768.06

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Solution

The fourth proportional to 620,636,191.42, 857,295,499.05 and 460,025,768.06 is: 635,441,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,636,191.42 : 857,295,499.05 = 460,025,768.06 : x
  2. Step 2: Convert to fraction form
    620,636,191.42/857,295,499.05 = 460,025,768.06/x
  3. Step 3: Cross multiply
    620,636,191.42x = 857,295,499.05 × 460,025,768.06
  4. Step 4: Simplify right side
    620,636,191.42x = 394,378,020,404,857,216
  5. Step 5: Solve for x
    x = 394,378,020,404,857,216/620,636,191.42
  6. Step 6: Final answer
    x = 635,441,545.07

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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.