Home / 1,636,976,721.80-2,455,465,082.70-472,483,202.60

Finding the Fourth Proportional to 1,636,976,721.80, 2,455,465,082.70 and 472,483,202.60

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Solution

The fourth proportional to 1,636,976,721.80, 2,455,465,082.70 and 472,483,202.60 is: 708,724,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,976,721.80 : 2,455,465,082.70 = 472,483,202.60 : x
  2. Step 2: Convert to fraction form
    1,636,976,721.80/2,455,465,082.70 = 472,483,202.60/x
  3. Step 3: Cross multiply
    1,636,976,721.80x = 2,455,465,082.70 × 472,483,202.60
  4. Step 4: Simplify right side
    1,636,976,721.80x = 1,160,166,006,146,569,728
  5. Step 5: Solve for x
    x = 1,160,166,006,146,569,728/1,636,976,721.80
  6. Step 6: Final answer
    x = 708,724,803.90

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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.