Home / 620,636,192.91-857,295,501.12-460,025,769.57

Finding the Fourth Proportional to 620,636,192.91, 857,295,501.12 and 460,025,769.57

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Solution

The fourth proportional to 620,636,192.91, 857,295,501.12 and 460,025,769.57 is: 635,441,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,636,192.91 : 857,295,501.12 = 460,025,769.57 : x
  2. Step 2: Convert to fraction form
    620,636,192.91/857,295,501.12 = 460,025,769.57/x
  3. Step 3: Cross multiply
    620,636,192.91x = 857,295,501.12 × 460,025,769.57
  4. Step 4: Simplify right side
    620,636,192.91x = 394,378,022,651,626,816
  5. Step 5: Solve for x
    x = 394,378,022,651,626,816/620,636,192.91
  6. Step 6: Final answer
    x = 635,441,547.17

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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.