Home / 478,797,590.64-660,740,376.62-258,781,016.64

Finding the Fourth Proportional to 478,797,590.64, 660,740,376.62 and 258,781,016.64

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Solution

The fourth proportional to 478,797,590.64, 660,740,376.62 and 258,781,016.64 is: 357,117,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,797,590.64 : 660,740,376.62 = 258,781,016.64 : x
  2. Step 2: Convert to fraction form
    478,797,590.64/660,740,376.62 = 258,781,016.64/x
  3. Step 3: Cross multiply
    478,797,590.64x = 660,740,376.62 × 258,781,016.64
  4. Step 4: Simplify right side
    478,797,590.64x = 170,987,066,396,820,064
  5. Step 5: Solve for x
    x = 170,987,066,396,820,064/478,797,590.64
  6. Step 6: Final answer
    x = 357,117,641.65

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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.