Home / 1,004,913,769.23-1,385,818,578.09-665,284,621.23

Finding the Fourth Proportional to 1,004,913,769.23, 1,385,818,578.09 and 665,284,621.23

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Solution

The fourth proportional to 1,004,913,769.23, 1,385,818,578.09 and 665,284,621.23 is: 917,455,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,913,769.23 : 1,385,818,578.09 = 665,284,621.23 : x
  2. Step 2: Convert to fraction form
    1,004,913,769.23/1,385,818,578.09 = 665,284,621.23/x
  3. Step 3: Cross multiply
    1,004,913,769.23x = 1,385,818,578.09 × 665,284,621.23
  4. Step 4: Simplify right side
    1,004,913,769.23x = 921,963,787,818,102,784
  5. Step 5: Solve for x
    x = 921,963,787,818,102,784/1,004,913,769.23
  6. Step 6: Final answer
    x = 917,455,622.61

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Double scale
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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.