Home / 627,853,823.35-941,147,641.58-394,851,055.91

Finding the Fourth Proportional to 627,853,823.35, 941,147,641.58 and 394,851,055.91

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Solution

The fourth proportional to 627,853,823.35, 941,147,641.58 and 394,851,055.91 is: 591,878,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,853,823.35 : 941,147,641.58 = 394,851,055.91 : x
  2. Step 2: Convert to fraction form
    627,853,823.35/941,147,641.58 = 394,851,055.91/x
  3. Step 3: Cross multiply
    627,853,823.35x = 941,147,641.58 × 394,851,055.91
  4. Step 4: Simplify right side
    627,853,823.35x = 371,613,140,038,389,248
  5. Step 5: Solve for x
    x = 371,613,140,038,389,248/627,853,823.35
  6. Step 6: Final answer
    x = 591,878,437.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.