Home / 1,197,716,821.80-1,796,256,368.10-368,668,861.80

Finding the Fourth Proportional to 1,197,716,821.80, 1,796,256,368.10 and 368,668,861.80

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Solution

The fourth proportional to 1,197,716,821.80, 1,796,256,368.10 and 368,668,861.80 is: 552,905,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,716,821.80 : 1,796,256,368.10 = 368,668,861.80 : x
  2. Step 2: Convert to fraction form
    1,197,716,821.80/1,796,256,368.10 = 368,668,861.80/x
  3. Step 3: Cross multiply
    1,197,716,821.80x = 1,796,256,368.10 × 368,668,861.80
  4. Step 4: Simplify right side
    1,197,716,821.80x = 662,223,790,728,428,800
  5. Step 5: Solve for x
    x = 662,223,790,728,428,800/1,197,716,821.80
  6. Step 6: Final answer
    x = 552,905,143.08

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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.