Home / 1,272,970,256,520.50-1,909,455,384,780.80-1,272,970,256,520.50

Finding the Fourth Proportional to 1,272,970,256,520.50, 1,909,455,384,780.80 and 1,272,970,256,520.50

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Solution

The fourth proportional to 1,272,970,256,520.50, 1,909,455,384,780.80 and 1,272,970,256,520.50 is: 1,909,455,384,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,970,256,520.50 : 1,909,455,384,780.80 = 1,272,970,256,520.50 : x
  2. Step 2: Convert to fraction form
    1,272,970,256,520.50/1,909,455,384,780.80 = 1,272,970,256,520.50/x
  3. Step 3: Cross multiply
    1,272,970,256,520.50x = 1,909,455,384,780.80 × 1,272,970,256,520.50
  4. Step 4: Simplify right side
    1,272,970,256,520.50x = 2,430,679,910,978,864,812,130,304
  5. Step 5: Solve for x
    x = 2,430,679,910,978,864,812,130,304/1,272,970,256,520.50
  6. Step 6: Final answer
    x = 1,909,455,384,780.80

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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.