Home / 668,619,596.84-922,690,228.74-371,260,380.20

Finding the Fourth Proportional to 668,619,596.84, 922,690,228.74 and 371,260,380.20

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Solution

The fourth proportional to 668,619,596.84, 922,690,228.74 and 371,260,380.20 is: 512,336,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,619,596.84 : 922,690,228.74 = 371,260,380.20 : x
  2. Step 2: Convert to fraction form
    668,619,596.84/922,690,228.74 = 371,260,380.20/x
  3. Step 3: Cross multiply
    668,619,596.84x = 922,690,228.74 × 371,260,380.20
  4. Step 4: Simplify right side
    668,619,596.84x = 342,558,325,128,837,376
  5. Step 5: Solve for x
    x = 342,558,325,128,837,376/668,619,596.84
  6. Step 6: Final answer
    x = 512,336,651.14

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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.