Home / 261,045,340,769.18-391,567,918,986.63-69,812,408,228.86

Finding the Fourth Proportional to 261,045,340,769.18, 391,567,918,986.63 and 69,812,408,228.86

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Solution

The fourth proportional to 261,045,340,769.18, 391,567,918,986.63 and 69,812,408,228.86 is: 104,718,587,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,045,340,769.18 : 391,567,918,986.63 = 69,812,408,228.86 : x
  2. Step 2: Convert to fraction form
    261,045,340,769.18/391,567,918,986.63 = 69,812,408,228.86/x
  3. Step 3: Cross multiply
    261,045,340,769.18x = 391,567,918,986.63 × 69,812,408,228.86
  4. Step 4: Simplify right side
    261,045,340,769.18x = 27,336,299,409,619,793,477,632
  5. Step 5: Solve for x
    x = 27,336,299,409,619,793,477,632/261,045,340,769.18
  6. Step 6: Final answer
    x = 104,718,587,694.66

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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.