Home / 556,957,257.40-836,328,182.10-442,890,335.80

Finding the Fourth Proportional to 556,957,257.40, 836,328,182.10 and 442,890,335.80

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Solution

The fourth proportional to 556,957,257.40, 836,328,182.10 and 442,890,335.80 is: 665,045,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,957,257.40 : 836,328,182.10 = 442,890,335.80 : x
  2. Step 2: Convert to fraction form
    556,957,257.40/836,328,182.10 = 442,890,335.80/x
  3. Step 3: Cross multiply
    556,957,257.40x = 836,328,182.10 × 442,890,335.80
  4. Step 4: Simplify right side
    556,957,257.40x = 370,401,669,409,272,576
  5. Step 5: Solve for x
    x = 370,401,669,409,272,576/556,957,257.40
  6. Step 6: Final answer
    x = 665,045,054.15

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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.