Home / 1,038,318,642.16-1,432,879,796.07-568,419,963.12

Finding the Fourth Proportional to 1,038,318,642.16, 1,432,879,796.07 and 568,419,963.12

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Solution

The fourth proportional to 1,038,318,642.16, 1,432,879,796.07 and 568,419,963.12 is: 784,419,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,318,642.16 : 1,432,879,796.07 = 568,419,963.12 : x
  2. Step 2: Convert to fraction form
    1,038,318,642.16/1,432,879,796.07 = 568,419,963.12/x
  3. Step 3: Cross multiply
    1,038,318,642.16x = 1,432,879,796.07 × 568,419,963.12
  4. Step 4: Simplify right side
    1,038,318,642.16x = 814,477,480,837,502,464
  5. Step 5: Solve for x
    x = 814,477,480,837,502,464/1,038,318,642.16
  6. Step 6: Final answer
    x = 784,419,587.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.