Home / 1,272,970,256,763.70-1,909,455,385,145.60-1,272,970,256,763.70

Finding the Fourth Proportional to 1,272,970,256,763.70, 1,909,455,385,145.60 and 1,272,970,256,763.70

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Solution

The fourth proportional to 1,272,970,256,763.70, 1,909,455,385,145.60 and 1,272,970,256,763.70 is: 1,909,455,385,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,970,256,763.70 : 1,909,455,385,145.60 = 1,272,970,256,763.70 : x
  2. Step 2: Convert to fraction form
    1,272,970,256,763.70/1,909,455,385,145.60 = 1,272,970,256,763.70/x
  3. Step 3: Cross multiply
    1,272,970,256,763.70x = 1,909,455,385,145.60 × 1,272,970,256,763.70
  4. Step 4: Simplify right side
    1,272,970,256,763.70x = 2,430,679,911,907,624,109,473,792
  5. Step 5: Solve for x
    x = 2,430,679,911,907,624,109,473,792/1,272,970,256,763.70
  6. Step 6: Final answer
    x = 1,909,455,385,145.60

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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.