Home / 558,117,764.32-837,176,646.21-208,391,144.13

Finding the Fourth Proportional to 558,117,764.32, 837,176,646.21 and 208,391,144.13

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Solution

The fourth proportional to 558,117,764.32, 837,176,646.21 and 208,391,144.13 is: 312,586,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,117,764.32 : 837,176,646.21 = 208,391,144.13 : x
  2. Step 2: Convert to fraction form
    558,117,764.32/837,176,646.21 = 208,391,144.13/x
  3. Step 3: Cross multiply
    558,117,764.32x = 837,176,646.21 × 208,391,144.13
  4. Step 4: Simplify right side
    558,117,764.32x = 174,460,199,142,618,144
  5. Step 5: Solve for x
    x = 174,460,199,142,618,144/558,117,764.32
  6. Step 6: Final answer
    x = 312,586,716.09

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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.