Home / 1,181,959,637.80-1,772,939,456.70-692,183,612.20

Finding the Fourth Proportional to 1,181,959,637.80, 1,772,939,456.70 and 692,183,612.20

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Solution

The fourth proportional to 1,181,959,637.80, 1,772,939,456.70 and 692,183,612.20 is: 1,038,275,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,959,637.80 : 1,772,939,456.70 = 692,183,612.20 : x
  2. Step 2: Convert to fraction form
    1,181,959,637.80/1,772,939,456.70 = 692,183,612.20/x
  3. Step 3: Cross multiply
    1,181,959,637.80x = 1,772,939,456.70 × 692,183,612.20
  4. Step 4: Simplify right side
    1,181,959,637.80x = 1,227,199,637,350,511,616
  5. Step 5: Solve for x
    x = 1,227,199,637,350,511,616/1,181,959,637.80
  6. Step 6: Final answer
    x = 1,038,275,418.30

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Double scale
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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.