Home / 447,113,367.81-670,631,631.62-272,191,000.41

Finding the Fourth Proportional to 447,113,367.81, 670,631,631.62 and 272,191,000.41

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Solution

The fourth proportional to 447,113,367.81, 670,631,631.62 and 272,191,000.41 is: 408,263,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,113,367.81 : 670,631,631.62 = 272,191,000.41 : x
  2. Step 2: Convert to fraction form
    447,113,367.81/670,631,631.62 = 272,191,000.41/x
  3. Step 3: Cross multiply
    447,113,367.81x = 670,631,631.62 × 272,191,000.41
  4. Step 4: Simplify right side
    447,113,367.81x = 182,539,894,715,877,440
  5. Step 5: Solve for x
    x = 182,539,894,715,877,440/447,113,367.81
  6. Step 6: Final answer
    x = 408,263,111.46

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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.