Home / 1,272,970,256,724.20-1,909,455,385,086.10-1,272,970,256,724.20

Finding the Fourth Proportional to 1,272,970,256,724.20, 1,909,455,385,086.10 and 1,272,970,256,724.20

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Solution

The fourth proportional to 1,272,970,256,724.20, 1,909,455,385,086.10 and 1,272,970,256,724.20 is: 1,909,455,385,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,970,256,724.20 : 1,909,455,385,086.10 = 1,272,970,256,724.20 : x
  2. Step 2: Convert to fraction form
    1,272,970,256,724.20/1,909,455,385,086.10 = 1,272,970,256,724.20/x
  3. Step 3: Cross multiply
    1,272,970,256,724.20x = 1,909,455,385,086.10 × 1,272,970,256,724.20
  4. Step 4: Simplify right side
    1,272,970,256,724.20x = 2,430,679,911,756,458,977,394,688
  5. Step 5: Solve for x
    x = 2,430,679,911,756,458,977,394,688/1,272,970,256,724.20
  6. Step 6: Final answer
    x = 1,909,455,385,086.10

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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.