Home / 765,391,090,064.10-1,056,240,128,069.40-413,424,020,328.33

Finding the Fourth Proportional to 765,391,090,064.10, 1,056,240,128,069.40 and 413,424,020,328.33

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Solution

The fourth proportional to 765,391,090,064.10, 1,056,240,128,069.40 and 413,424,020,328.33 is: 570,525,376,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,391,090,064.10 : 1,056,240,128,069.40 = 413,424,020,328.33 : x
  2. Step 2: Convert to fraction form
    765,391,090,064.10/1,056,240,128,069.40 = 413,424,020,328.33/x
  3. Step 3: Cross multiply
    765,391,090,064.10x = 1,056,240,128,069.40 × 413,424,020,328.33
  4. Step 4: Simplify right side
    765,391,090,064.10x = 436,675,040,178,561,517,355,008
  5. Step 5: Solve for x
    x = 436,675,040,178,561,517,355,008/765,391,090,064.10
  6. Step 6: Final answer
    x = 570,525,376,957.28

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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.