Home / 557,371,551.96-768,458,719.62-456,528,489.18

Finding the Fourth Proportional to 557,371,551.96, 768,458,719.62 and 456,528,489.18

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Solution

The fourth proportional to 557,371,551.96, 768,458,719.62 and 456,528,489.18 is: 629,424,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,371,551.96 : 768,458,719.62 = 456,528,489.18 : x
  2. Step 2: Convert to fraction form
    557,371,551.96/768,458,719.62 = 456,528,489.18/x
  3. Step 3: Cross multiply
    557,371,551.96x = 768,458,719.62 × 456,528,489.18
  4. Step 4: Simplify right side
    557,371,551.96x = 350,823,298,265,315,840
  5. Step 5: Solve for x
    x = 350,823,298,265,315,840/557,371,551.96
  6. Step 6: Final answer
    x = 629,424,478.22

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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.