Home / 797,347,851.40-1,196,021,777.10-489,642,200.20

Finding the Fourth Proportional to 797,347,851.40, 1,196,021,777.10 and 489,642,200.20

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Solution

The fourth proportional to 797,347,851.40, 1,196,021,777.10 and 489,642,200.20 is: 734,463,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,347,851.40 : 1,196,021,777.10 = 489,642,200.20 : x
  2. Step 2: Convert to fraction form
    797,347,851.40/1,196,021,777.10 = 489,642,200.20/x
  3. Step 3: Cross multiply
    797,347,851.40x = 1,196,021,777.10 × 489,642,200.20
  4. Step 4: Simplify right side
    797,347,851.40x = 585,622,734,426,357,888
  5. Step 5: Solve for x
    x = 585,622,734,426,357,888/797,347,851.40
  6. Step 6: Final answer
    x = 734,463,300.30

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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.