Home / 790,432,174.04-1,090,802,898.87-438,014,050.16

Finding the Fourth Proportional to 790,432,174.04, 1,090,802,898.87 and 438,014,050.16

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Solution

The fourth proportional to 790,432,174.04, 1,090,802,898.87 and 438,014,050.16 is: 604,462,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,432,174.04 : 1,090,802,898.87 = 438,014,050.16 : x
  2. Step 2: Convert to fraction form
    790,432,174.04/1,090,802,898.87 = 438,014,050.16/x
  3. Step 3: Cross multiply
    790,432,174.04x = 1,090,802,898.87 × 438,014,050.16
  4. Step 4: Simplify right side
    790,432,174.04x = 477,786,995,660,317,568
  5. Step 5: Solve for x
    x = 477,786,995,660,317,568/790,432,174.04
  6. Step 6: Final answer
    x = 604,462,990.44

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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.