Home / 477,549,922.86-659,048,995.91-289,394,669.30

Finding the Fourth Proportional to 477,549,922.86, 659,048,995.91 and 289,394,669.30

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Solution

The fourth proportional to 477,549,922.86, 659,048,995.91 and 289,394,669.30 is: 399,382,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,549,922.86 : 659,048,995.91 = 289,394,669.30 : x
  2. Step 2: Convert to fraction form
    477,549,922.86/659,048,995.91 = 289,394,669.30/x
  3. Step 3: Cross multiply
    477,549,922.86x = 659,048,995.91 × 289,394,669.30
  4. Step 4: Simplify right side
    477,549,922.86x = 190,725,266,219,684,928
  5. Step 5: Solve for x
    x = 190,725,266,219,684,928/477,549,922.86
  6. Step 6: Final answer
    x = 399,382,885.62

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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.