Home / 790,432,174.54-1,090,802,899.56-438,014,050.66

Finding the Fourth Proportional to 790,432,174.54, 1,090,802,899.56 and 438,014,050.66

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Solution

The fourth proportional to 790,432,174.54, 1,090,802,899.56 and 438,014,050.66 is: 604,462,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,432,174.54 : 1,090,802,899.56 = 438,014,050.66 : x
  2. Step 2: Convert to fraction form
    790,432,174.54/1,090,802,899.56 = 438,014,050.66/x
  3. Step 3: Cross multiply
    790,432,174.54x = 1,090,802,899.56 × 438,014,050.66
  4. Step 4: Simplify right side
    790,432,174.54x = 477,786,996,507,948,736
  5. Step 5: Solve for x
    x = 477,786,996,507,948,736/790,432,174.54
  6. Step 6: Final answer
    x = 604,462,991.13

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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.