Home / 703,512,005.80-1,055,268,008.70-519,845,996.20

Finding the Fourth Proportional to 703,512,005.80, 1,055,268,008.70 and 519,845,996.20

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Solution

The fourth proportional to 703,512,005.80, 1,055,268,008.70 and 519,845,996.20 is: 779,768,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,512,005.80 : 1,055,268,008.70 = 519,845,996.20 : x
  2. Step 2: Convert to fraction form
    703,512,005.80/1,055,268,008.70 = 519,845,996.20/x
  3. Step 3: Cross multiply
    703,512,005.80x = 1,055,268,008.70 × 519,845,996.20
  4. Step 4: Simplify right side
    703,512,005.80x = 548,576,849,240,641,792
  5. Step 5: Solve for x
    x = 548,576,849,240,641,792/703,512,005.80
  6. Step 6: Final answer
    x = 779,768,994.30

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Double scale
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Similar ratio
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1.5x scale

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.