Home / 556,939,113.84-768,588,778.08-306,059,103.36

Finding the Fourth Proportional to 556,939,113.84, 768,588,778.08 and 306,059,103.36

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Solution

The fourth proportional to 556,939,113.84, 768,588,778.08 and 306,059,103.36 is: 422,368,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,939,113.84 : 768,588,778.08 = 306,059,103.36 : x
  2. Step 2: Convert to fraction form
    556,939,113.84/768,588,778.08 = 306,059,103.36/x
  3. Step 3: Cross multiply
    556,939,113.84x = 768,588,778.08 × 306,059,103.36
  4. Step 4: Simplify right side
    556,939,113.84x = 235,233,592,271,722,848
  5. Step 5: Solve for x
    x = 235,233,592,271,722,848/556,939,113.84
  6. Step 6: Final answer
    x = 422,368,597.26

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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.