Home / 664,851,036.83-997,276,555.24-320,477,268.83

Finding the Fourth Proportional to 664,851,036.83, 997,276,555.24 and 320,477,268.83

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Solution

The fourth proportional to 664,851,036.83, 997,276,555.24 and 320,477,268.83 is: 480,715,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,851,036.83 : 997,276,555.24 = 320,477,268.83 : x
  2. Step 2: Convert to fraction form
    664,851,036.83/997,276,555.24 = 320,477,268.83/x
  3. Step 3: Cross multiply
    664,851,036.83x = 997,276,555.24 × 320,477,268.83
  4. Step 4: Simplify right side
    664,851,036.83x = 319,604,466,685,718,208
  5. Step 5: Solve for x
    x = 319,604,466,685,718,208/664,851,036.83
  6. Step 6: Final answer
    x = 480,715,903.24

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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.