Home / 731,900,412.78-1,010,022,574.95-401,875,551.78

Finding the Fourth Proportional to 731,900,412.78, 1,010,022,574.95 and 401,875,551.78

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Solution

The fourth proportional to 731,900,412.78, 1,010,022,574.95 and 401,875,551.78 is: 554,588,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,900,412.78 : 1,010,022,574.95 = 401,875,551.78 : x
  2. Step 2: Convert to fraction form
    731,900,412.78/1,010,022,574.95 = 401,875,551.78/x
  3. Step 3: Cross multiply
    731,900,412.78x = 1,010,022,574.95 × 401,875,551.78
  4. Step 4: Simplify right side
    731,900,412.78x = 405,903,379,618,287,616
  5. Step 5: Solve for x
    x = 405,903,379,618,287,616/731,900,412.78
  6. Step 6: Final answer
    x = 554,588,264.37

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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.