Home / 682,461,133,834.51-941,342,776,817.82-438,898,710,436.30

Finding the Fourth Proportional to 682,461,133,834.51, 941,342,776,817.82 and 438,898,710,436.30

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Solution

The fourth proportional to 682,461,133,834.51, 941,342,776,817.82 and 438,898,710,436.30 is: 605,388,512,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,461,133,834.51 : 941,342,776,817.82 = 438,898,710,436.30 : x
  2. Step 2: Convert to fraction form
    682,461,133,834.51/941,342,776,817.82 = 438,898,710,436.30/x
  3. Step 3: Cross multiply
    682,461,133,834.51x = 941,342,776,817.82 × 438,898,710,436.30
  4. Step 4: Simplify right side
    682,461,133,834.51x = 413,154,130,823,866,950,352,896
  5. Step 5: Solve for x
    x = 413,154,130,823,866,950,352,896/682,461,133,834.51
  6. Step 6: Final answer
    x = 605,388,512,753.10

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Double scale
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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.