Home / 930,389,285.15-1,394,739,227.16-464,193,296.72

Finding the Fourth Proportional to 930,389,285.15, 1,394,739,227.16 and 464,193,296.72

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Solution

The fourth proportional to 930,389,285.15, 1,394,739,227.16 and 464,193,296.72 is: 695,868,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,389,285.15 : 1,394,739,227.16 = 464,193,296.72 : x
  2. Step 2: Convert to fraction form
    930,389,285.15/1,394,739,227.16 = 464,193,296.72/x
  3. Step 3: Cross multiply
    930,389,285.15x = 1,394,739,227.16 × 464,193,296.72
  4. Step 4: Simplify right side
    930,389,285.15x = 647,428,599,920,105,472
  5. Step 5: Solve for x
    x = 647,428,599,920,105,472/930,389,285.15
  6. Step 6: Final answer
    x = 695,868,503.92

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1.5x scale

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.