Home / 923,072,487.40-1,384,608,731.10-268,022,247.40

Finding the Fourth Proportional to 923,072,487.40, 1,384,608,731.10 and 268,022,247.40

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Solution

The fourth proportional to 923,072,487.40, 1,384,608,731.10 and 268,022,247.40 is: 402,033,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,072,487.40 : 1,384,608,731.10 = 268,022,247.40 : x
  2. Step 2: Convert to fraction form
    923,072,487.40/1,384,608,731.10 = 268,022,247.40/x
  3. Step 3: Cross multiply
    923,072,487.40x = 1,384,608,731.10 × 268,022,247.40
  4. Step 4: Simplify right side
    923,072,487.40x = 371,105,943,879,084,288
  5. Step 5: Solve for x
    x = 371,105,943,879,084,288/923,072,487.40
  6. Step 6: Final answer
    x = 402,033,371.10

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1.5x scale

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.