Home / 627,495,620.75-941,358,330.66-258,829,455.01

Finding the Fourth Proportional to 627,495,620.75, 941,358,330.66 and 258,829,455.01

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Solution

The fourth proportional to 627,495,620.75, 941,358,330.66 and 258,829,455.01 is: 388,291,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,495,620.75 : 941,358,330.66 = 258,829,455.01 : x
  2. Step 2: Convert to fraction form
    627,495,620.75/941,358,330.66 = 258,829,455.01/x
  3. Step 3: Cross multiply
    627,495,620.75x = 941,358,330.66 × 258,829,455.01
  4. Step 4: Simplify right side
    627,495,620.75x = 243,651,263,692,182,560
  5. Step 5: Solve for x
    x = 243,651,263,692,182,560/627,495,620.75
  6. Step 6: Final answer
    x = 388,291,576.28

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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.