Home / 878,359,655.01-1,317,542,562.20-223,310,751.81

Finding the Fourth Proportional to 878,359,655.01, 1,317,542,562.20 and 223,310,751.81

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Solution

The fourth proportional to 878,359,655.01, 1,317,542,562.20 and 223,310,751.81 is: 334,966,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,359,655.01 : 1,317,542,562.20 = 223,310,751.81 : x
  2. Step 2: Convert to fraction form
    878,359,655.01/1,317,542,562.20 = 223,310,751.81/x
  3. Step 3: Cross multiply
    878,359,655.01x = 1,317,542,562.20 × 223,310,751.81
  4. Step 4: Simplify right side
    878,359,655.01x = 294,221,420,106,555,712
  5. Step 5: Solve for x
    x = 294,221,420,106,555,712/878,359,655.01
  6. Step 6: Final answer
    x = 334,966,910.68

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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.