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Finding the Fourth Proportional to 554,447,044.48, 765,142,968 and 306,932,532.16

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Solution

The fourth proportional to 554,447,044.48, 765,142,968 and 306,932,532.16 is: 423,570,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,044.48 : 765,142,968 = 306,932,532.16 : x
  2. Step 2: Convert to fraction form
    554,447,044.48/765,142,968 = 306,932,532.16/x
  3. Step 3: Cross multiply
    554,447,044.48x = 765,142,968 × 306,932,532.16
  4. Step 4: Simplify right side
    554,447,044.48x = 234,847,268,632,657,856
  5. Step 5: Solve for x
    x = 234,847,268,632,657,856/554,447,044.48
  6. Step 6: Final answer
    x = 423,570,241.69

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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.