Home / 477,549,924.86-659,048,998.66-289,394,671.30

Finding the Fourth Proportional to 477,549,924.86, 659,048,998.66 and 289,394,671.30

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Solution

The fourth proportional to 477,549,924.86, 659,048,998.66 and 289,394,671.30 is: 399,382,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,549,924.86 : 659,048,998.66 = 289,394,671.30 : x
  2. Step 2: Convert to fraction form
    477,549,924.86/659,048,998.66 = 289,394,671.30/x
  3. Step 3: Cross multiply
    477,549,924.86x = 659,048,998.66 × 289,394,671.30
  4. Step 4: Simplify right side
    477,549,924.86x = 190,725,268,337,804,832
  5. Step 5: Solve for x
    x = 190,725,268,337,804,832/477,549,924.86
  6. Step 6: Final answer
    x = 399,382,888.38

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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.