Home / 2,116,557,762.32-3,174,631,370.04-642,710,332.64

Finding the Fourth Proportional to 2,116,557,762.32, 3,174,631,370.04 and 642,710,332.64

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Solution

The fourth proportional to 2,116,557,762.32, 3,174,631,370.04 and 642,710,332.64 is: 964,003,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,557,762.32 : 3,174,631,370.04 = 642,710,332.64 : x
  2. Step 2: Convert to fraction form
    2,116,557,762.32/3,174,631,370.04 = 642,710,332.64/x
  3. Step 3: Cross multiply
    2,116,557,762.32x = 3,174,631,370.04 × 642,710,332.64
  4. Step 4: Simplify right side
    2,116,557,762.32x = 2,040,368,383,847,787,264
  5. Step 5: Solve for x
    x = 2,040,368,383,847,787,264/2,116,557,762.32
  6. Step 6: Final answer
    x = 964,003,165.98

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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.