Home / 677,002,984.02-933,868,293.12-425,709,663.72

Finding the Fourth Proportional to 677,002,984.02, 933,868,293.12 and 425,709,663.72

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Solution

The fourth proportional to 677,002,984.02, 933,868,293.12 and 425,709,663.72 is: 587,230,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,002,984.02 : 933,868,293.12 = 425,709,663.72 : x
  2. Step 2: Convert to fraction form
    677,002,984.02/933,868,293.12 = 425,709,663.72/x
  3. Step 3: Cross multiply
    677,002,984.02x = 933,868,293.12 × 425,709,663.72
  4. Step 4: Simplify right side
    677,002,984.02x = 397,556,757,022,885,632
  5. Step 5: Solve for x
    x = 397,556,757,022,885,632/677,002,984.02
  6. Step 6: Final answer
    x = 587,230,435.33

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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.