Home / 519,521,386.86-779,184,649.44-260,667,104.58

Finding the Fourth Proportional to 519,521,386.86, 779,184,649.44 and 260,667,104.58

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Solution

The fourth proportional to 519,521,386.86, 779,184,649.44 and 260,667,104.58 is: 390,951,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,521,386.86 : 779,184,649.44 = 260,667,104.58 : x
  2. Step 2: Convert to fraction form
    519,521,386.86/779,184,649.44 = 260,667,104.58/x
  3. Step 3: Cross multiply
    519,521,386.86x = 779,184,649.44 × 260,667,104.58
  4. Step 4: Simplify right side
    519,521,386.86x = 203,107,806,502,707,136
  5. Step 5: Solve for x
    x = 203,107,806,502,707,136/519,521,386.86
  6. Step 6: Final answer
    x = 390,951,771.46

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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.