Home / 1,664,423,816.31-2,296,941,981.21-949,945,038.93

Finding the Fourth Proportional to 1,664,423,816.31, 2,296,941,981.21 and 949,945,038.93

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Solution

The fourth proportional to 1,664,423,816.31, 2,296,941,981.21 and 949,945,038.93 is: 1,310,945,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,423,816.31 : 2,296,941,981.21 = 949,945,038.93 : x
  2. Step 2: Convert to fraction form
    1,664,423,816.31/2,296,941,981.21 = 949,945,038.93/x
  3. Step 3: Cross multiply
    1,664,423,816.31x = 2,296,941,981.21 × 949,945,038.93
  4. Step 4: Simplify right side
    1,664,423,816.31x = 2,181,968,639,760,484,608
  5. Step 5: Solve for x
    x = 2,181,968,639,760,484,608/1,664,423,816.31
  6. Step 6: Final answer
    x = 1,310,945,336.39

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Double scale
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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.