Home / 443,245,995.32-611,740,235.40-255,070,420.88

Finding the Fourth Proportional to 443,245,995.32, 611,740,235.40 and 255,070,420.88

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Solution

The fourth proportional to 443,245,995.32, 611,740,235.40 and 255,070,420.88 is: 352,032,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,245,995.32 : 611,740,235.40 = 255,070,420.88 : x
  2. Step 2: Convert to fraction form
    443,245,995.32/611,740,235.40 = 255,070,420.88/x
  3. Step 3: Cross multiply
    443,245,995.32x = 611,740,235.40 × 255,070,420.88
  4. Step 4: Simplify right side
    443,245,995.32x = 156,036,839,312,708,256
  5. Step 5: Solve for x
    x = 156,036,839,312,708,256/443,245,995.32
  6. Step 6: Final answer
    x = 352,032,146.84

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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.