Home / 673,980,028.10-1,010,970,042.15-565,140,911.30

Finding the Fourth Proportional to 673,980,028.10, 1,010,970,042.15 and 565,140,911.30

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Solution

The fourth proportional to 673,980,028.10, 1,010,970,042.15 and 565,140,911.30 is: 847,711,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,980,028.10 : 1,010,970,042.15 = 565,140,911.30 : x
  2. Step 2: Convert to fraction form
    673,980,028.10/1,010,970,042.15 = 565,140,911.30/x
  3. Step 3: Cross multiply
    673,980,028.10x = 1,010,970,042.15 × 565,140,911.30
  4. Step 4: Simplify right side
    673,980,028.10x = 571,340,530,917,650,368
  5. Step 5: Solve for x
    x = 571,340,530,917,650,368/673,980,028.10
  6. Step 6: Final answer
    x = 847,711,366.95

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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.