Home / 443,464,312.41-611,984,711.03-245,239,220.25

Finding the Fourth Proportional to 443,464,312.41, 611,984,711.03 and 245,239,220.25

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Solution

The fourth proportional to 443,464,312.41, 611,984,711.03 and 245,239,220.25 is: 338,432,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,464,312.41 : 611,984,711.03 = 245,239,220.25 : x
  2. Step 2: Convert to fraction form
    443,464,312.41/611,984,711.03 = 245,239,220.25/x
  3. Step 3: Cross multiply
    443,464,312.41x = 611,984,711.03 × 245,239,220.25
  4. Step 4: Simplify right side
    443,464,312.41x = 150,082,653,336,692,576
  5. Step 5: Solve for x
    x = 150,082,653,336,692,576/443,464,312.41
  6. Step 6: Final answer
    x = 338,432,313.80

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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.