Home / 880,590,916.28-1,215,216,246.32-484,120,651.35

Finding the Fourth Proportional to 880,590,916.28, 1,215,216,246.32 and 484,120,651.35

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Solution

The fourth proportional to 880,590,916.28, 1,215,216,246.32 and 484,120,651.35 is: 668,086,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,590,916.28 : 1,215,216,246.32 = 484,120,651.35 : x
  2. Step 2: Convert to fraction form
    880,590,916.28/1,215,216,246.32 = 484,120,651.35/x
  3. Step 3: Cross multiply
    880,590,916.28x = 1,215,216,246.32 × 484,120,651.35
  4. Step 4: Simplify right side
    880,590,916.28x = 588,311,280,699,540,480
  5. Step 5: Solve for x
    x = 588,311,280,699,540,480/880,590,916.28
  6. Step 6: Final answer
    x = 668,086,928.70

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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.