Home / 1,197,792,143.70-1,796,688,215.55-290,053,007.70

Finding the Fourth Proportional to 1,197,792,143.70, 1,796,688,215.55 and 290,053,007.70

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Solution

The fourth proportional to 1,197,792,143.70, 1,796,688,215.55 and 290,053,007.70 is: 435,079,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,792,143.70 : 1,796,688,215.55 = 290,053,007.70 : x
  2. Step 2: Convert to fraction form
    1,197,792,143.70/1,796,688,215.55 = 290,053,007.70/x
  3. Step 3: Cross multiply
    1,197,792,143.70x = 1,796,688,215.55 × 290,053,007.70
  4. Step 4: Simplify right side
    1,197,792,143.70x = 521,134,820,819,423,360
  5. Step 5: Solve for x
    x = 521,134,820,819,423,360/1,197,792,143.70
  6. Step 6: Final answer
    x = 435,079,511.55

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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.