Home / 620,241,766.35-855,939,377.90-341,793,254.67

Finding the Fourth Proportional to 620,241,766.35, 855,939,377.90 and 341,793,254.67

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Solution

The fourth proportional to 620,241,766.35, 855,939,377.90 and 341,793,254.67 is: 471,677,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,241,766.35 : 855,939,377.90 = 341,793,254.67 : x
  2. Step 2: Convert to fraction form
    620,241,766.35/855,939,377.90 = 341,793,254.67/x
  3. Step 3: Cross multiply
    620,241,766.35x = 855,939,377.90 × 341,793,254.67
  4. Step 4: Simplify right side
    620,241,766.35x = 292,554,305,770,947,136
  5. Step 5: Solve for x
    x = 292,554,305,770,947,136/620,241,766.35
  6. Step 6: Final answer
    x = 471,677,854.74

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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.