Home / 627,341,214.60-941,011,821.90-218,261,406.60

Finding the Fourth Proportional to 627,341,214.60, 941,011,821.90 and 218,261,406.60

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Solution

The fourth proportional to 627,341,214.60, 941,011,821.90 and 218,261,406.60 is: 327,392,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,341,214.60 : 941,011,821.90 = 218,261,406.60 : x
  2. Step 2: Convert to fraction form
    627,341,214.60/941,011,821.90 = 218,261,406.60/x
  3. Step 3: Cross multiply
    627,341,214.60x = 941,011,821.90 × 218,261,406.60
  4. Step 4: Simplify right side
    627,341,214.60x = 205,386,563,875,122,688
  5. Step 5: Solve for x
    x = 205,386,563,875,122,688/627,341,214.60
  6. Step 6: Final answer
    x = 327,392,109.90

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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.