Home / 425,845,355.40-638,768,033.10-232,135,110.90

Finding the Fourth Proportional to 425,845,355.40, 638,768,033.10 and 232,135,110.90

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Solution

The fourth proportional to 425,845,355.40, 638,768,033.10 and 232,135,110.90 is: 348,202,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,845,355.40 : 638,768,033.10 = 232,135,110.90 : x
  2. Step 2: Convert to fraction form
    425,845,355.40/638,768,033.10 = 232,135,110.90/x
  3. Step 3: Cross multiply
    425,845,355.40x = 638,768,033.10 × 232,135,110.90
  4. Step 4: Simplify right side
    425,845,355.40x = 148,280,488,203,043,392
  5. Step 5: Solve for x
    x = 148,280,488,203,043,392/425,845,355.40
  6. Step 6: Final answer
    x = 348,202,666.35

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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.