Home / 730,770,781.14-1,008,462,587.54-396,242,695.98

Finding the Fourth Proportional to 730,770,781.14, 1,008,462,587.54 and 396,242,695.98

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Solution

The fourth proportional to 730,770,781.14, 1,008,462,587.54 and 396,242,695.98 is: 546,814,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,770,781.14 : 1,008,462,587.54 = 396,242,695.98 : x
  2. Step 2: Convert to fraction form
    730,770,781.14/1,008,462,587.54 = 396,242,695.98/x
  3. Step 3: Cross multiply
    730,770,781.14x = 1,008,462,587.54 × 396,242,695.98
  4. Step 4: Simplify right side
    730,770,781.14x = 399,595,934,479,835,136
  5. Step 5: Solve for x
    x = 399,595,934,479,835,136/730,770,781.14
  6. Step 6: Final answer
    x = 546,814,329.19

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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.