Home / 412,065,792,138.30-618,098,688,207.45-147,369,060,080.70

Finding the Fourth Proportional to 412,065,792,138.30, 618,098,688,207.45 and 147,369,060,080.70

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Solution

The fourth proportional to 412,065,792,138.30, 618,098,688,207.45 and 147,369,060,080.70 is: 221,053,590,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,065,792,138.30 : 618,098,688,207.45 = 147,369,060,080.70 : x
  2. Step 2: Convert to fraction form
    412,065,792,138.30/618,098,688,207.45 = 147,369,060,080.70/x
  3. Step 3: Cross multiply
    412,065,792,138.30x = 618,098,688,207.45 × 147,369,060,080.70
  4. Step 4: Simplify right side
    412,065,792,138.30x = 91,088,622,718,245,559,861,248
  5. Step 5: Solve for x
    x = 91,088,622,718,245,559,861,248/412,065,792,138.30
  6. Step 6: Final answer
    x = 221,053,590,121.05

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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.