Home / 775,181,709.63-1,069,566,888.89-440,627,898.32

Finding the Fourth Proportional to 775,181,709.63, 1,069,566,888.89 and 440,627,898.32

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Solution

The fourth proportional to 775,181,709.63, 1,069,566,888.89 and 440,627,898.32 is: 607,961,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,181,709.63 : 1,069,566,888.89 = 440,627,898.32 : x
  2. Step 2: Convert to fraction form
    775,181,709.63/1,069,566,888.89 = 440,627,898.32/x
  3. Step 3: Cross multiply
    775,181,709.63x = 1,069,566,888.89 × 440,627,898.32
  4. Step 4: Simplify right side
    775,181,709.63x = 471,281,010,360,015,424
  5. Step 5: Solve for x
    x = 471,281,010,360,015,424/775,181,709.63
  6. Step 6: Final answer
    x = 607,961,984.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.