Home / 1,037,890,986.95-1,432,288,628.03-585,864,121.43

Finding the Fourth Proportional to 1,037,890,986.95, 1,432,288,628.03 and 585,864,121.43

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Solution

The fourth proportional to 1,037,890,986.95, 1,432,288,628.03 and 585,864,121.43 is: 808,491,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,890,986.95 : 1,432,288,628.03 = 585,864,121.43 : x
  2. Step 2: Convert to fraction form
    1,037,890,986.95/1,432,288,628.03 = 585,864,121.43/x
  3. Step 3: Cross multiply
    1,037,890,986.95x = 1,432,288,628.03 × 585,864,121.43
  4. Step 4: Simplify right side
    1,037,890,986.95x = 839,126,518,684,885,248
  5. Step 5: Solve for x
    x = 839,126,518,684,885,248/1,037,890,986.95
  6. Step 6: Final answer
    x = 808,491,960.37

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Double scale
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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.