Home / 1,570,752,002.80-2,356,128,004.20-535,268,738.80

Finding the Fourth Proportional to 1,570,752,002.80, 2,356,128,004.20 and 535,268,738.80

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Solution

The fourth proportional to 1,570,752,002.80, 2,356,128,004.20 and 535,268,738.80 is: 802,903,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,752,002.80 : 2,356,128,004.20 = 535,268,738.80 : x
  2. Step 2: Convert to fraction form
    1,570,752,002.80/2,356,128,004.20 = 535,268,738.80/x
  3. Step 3: Cross multiply
    1,570,752,002.80x = 2,356,128,004.20 × 535,268,738.80
  4. Step 4: Simplify right side
    1,570,752,002.80x = 1,261,161,665,259,494,912
  5. Step 5: Solve for x
    x = 1,261,161,665,259,494,912/1,570,752,002.80
  6. Step 6: Final answer
    x = 802,903,108.20

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Double scale
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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.