Home / 1,679,628,021.60-2,519,442,032.40-1,064,384,680.80

Finding the Fourth Proportional to 1,679,628,021.60, 2,519,442,032.40 and 1,064,384,680.80

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Solution

The fourth proportional to 1,679,628,021.60, 2,519,442,032.40 and 1,064,384,680.80 is: 1,596,577,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,628,021.60 : 2,519,442,032.40 = 1,064,384,680.80 : x
  2. Step 2: Convert to fraction form
    1,679,628,021.60/2,519,442,032.40 = 1,064,384,680.80/x
  3. Step 3: Cross multiply
    1,679,628,021.60x = 2,519,442,032.40 × 1,064,384,680.80
  4. Step 4: Simplify right side
    1,679,628,021.60x = 2,681,655,503,450,177,024
  5. Step 5: Solve for x
    x = 2,681,655,503,450,177,024/1,679,628,021.60
  6. Step 6: Final answer
    x = 1,596,577,021.20

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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.