Home / 549,122,995-757,836,468.82-311,010,537.84

Finding the Fourth Proportional to 549,122,995, 757,836,468.82 and 311,010,537.84

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Solution

The fourth proportional to 549,122,995, 757,836,468.82 and 311,010,537.84 is: 429,221,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,122,995 : 757,836,468.82 = 311,010,537.84 : x
  2. Step 2: Convert to fraction form
    549,122,995/757,836,468.82 = 311,010,537.84/x
  3. Step 3: Cross multiply
    549,122,995x = 757,836,468.82 × 311,010,537.84
  4. Step 4: Simplify right side
    549,122,995x = 235,695,127,762,474,592
  5. Step 5: Solve for x
    x = 235,695,127,762,474,592/549,122,995
  6. Step 6: Final answer
    x = 429,221,012.25

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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.