Home / 878,359,635.02-1,317,542,532.12-223,310,731.82

Finding the Fourth Proportional to 878,359,635.02, 1,317,542,532.12 and 223,310,731.82

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Solution

The fourth proportional to 878,359,635.02, 1,317,542,532.12 and 223,310,731.82 is: 334,966,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,359,635.02 : 1,317,542,532.12 = 223,310,731.82 : x
  2. Step 2: Convert to fraction form
    878,359,635.02/1,317,542,532.12 = 223,310,731.82/x
  3. Step 3: Cross multiply
    878,359,635.02x = 1,317,542,532.12 × 223,310,731.82
  4. Step 4: Simplify right side
    878,359,635.02x = 294,221,387,051,692,992
  5. Step 5: Solve for x
    x = 294,221,387,051,692,992/878,359,635.02
  6. Step 6: Final answer
    x = 334,966,880.67

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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.