Home / 790,432,172.04-1,090,802,896.11-438,014,048.16

Finding the Fourth Proportional to 790,432,172.04, 1,090,802,896.11 and 438,014,048.16

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Solution

The fourth proportional to 790,432,172.04, 1,090,802,896.11 and 438,014,048.16 is: 604,462,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,432,172.04 : 1,090,802,896.11 = 438,014,048.16 : x
  2. Step 2: Convert to fraction form
    790,432,172.04/1,090,802,896.11 = 438,014,048.16/x
  3. Step 3: Cross multiply
    790,432,172.04x = 1,090,802,896.11 × 438,014,048.16
  4. Step 4: Simplify right side
    790,432,172.04x = 477,786,992,269,793,024
  5. Step 5: Solve for x
    x = 477,786,992,269,793,024/790,432,172.04
  6. Step 6: Final answer
    x = 604,462,987.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.