Home / 515,429,251,936-711,314,413,330.50-287,058,457,302.44

Finding the Fourth Proportional to 515,429,251,936, 711,314,413,330.50 and 287,058,457,302.44

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Solution

The fourth proportional to 515,429,251,936, 711,314,413,330.50 and 287,058,457,302.44 is: 396,152,948,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,429,251,936 : 711,314,413,330.50 = 287,058,457,302.44 : x
  2. Step 2: Convert to fraction form
    515,429,251,936/711,314,413,330.50 = 287,058,457,302.44/x
  3. Step 3: Cross multiply
    515,429,251,936x = 711,314,413,330.50 × 287,058,457,302.44
  4. Step 4: Simplify right side
    515,429,251,936x = 204,188,818,147,643,507,081,216
  5. Step 5: Solve for x
    x = 204,188,818,147,643,507,081,216/515,429,251,936
  6. Step 6: Final answer
    x = 396,152,948,985.13

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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.