Home / 1,240,083,861.55-1,711,312,732.78-675,573,381.94

Finding the Fourth Proportional to 1,240,083,861.55, 1,711,312,732.78 and 675,573,381.94

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Solution

The fourth proportional to 1,240,083,861.55, 1,711,312,732.78 and 675,573,381.94 is: 932,289,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,083,861.55 : 1,711,312,732.78 = 675,573,381.94 : x
  2. Step 2: Convert to fraction form
    1,240,083,861.55/1,711,312,732.78 = 675,573,381.94/x
  3. Step 3: Cross multiply
    1,240,083,861.55x = 1,711,312,732.78 × 675,573,381.94
  4. Step 4: Simplify right side
    1,240,083,861.55x = 1,156,117,330,442,235,392
  5. Step 5: Solve for x
    x = 1,156,117,330,442,235,392/1,240,083,861.55
  6. Step 6: Final answer
    x = 932,289,634.83

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1.5x scale

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.