Home / 718,420,083.60-1,077,630,125.40-310,273,395.60

Finding the Fourth Proportional to 718,420,083.60, 1,077,630,125.40 and 310,273,395.60

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Solution

The fourth proportional to 718,420,083.60, 1,077,630,125.40 and 310,273,395.60 is: 465,410,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,420,083.60 : 1,077,630,125.40 = 310,273,395.60 : x
  2. Step 2: Convert to fraction form
    718,420,083.60/1,077,630,125.40 = 310,273,395.60/x
  3. Step 3: Cross multiply
    718,420,083.60x = 1,077,630,125.40 × 310,273,395.60
  4. Step 4: Simplify right side
    718,420,083.60x = 334,359,958,208,711,872
  5. Step 5: Solve for x
    x = 334,359,958,208,711,872/718,420,083.60
  6. Step 6: Final answer
    x = 465,410,093.40

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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.