Home / 1,149,922,165.49-1,725,173,523.28-320,875,111.73

Finding the Fourth Proportional to 1,149,922,165.49, 1,725,173,523.28 and 320,875,111.73

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Solution

The fourth proportional to 1,149,922,165.49, 1,725,173,523.28 and 320,875,111.73 is: 481,393,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,922,165.49 : 1,725,173,523.28 = 320,875,111.73 : x
  2. Step 2: Convert to fraction form
    1,149,922,165.49/1,725,173,523.28 = 320,875,111.73/x
  3. Step 3: Cross multiply
    1,149,922,165.49x = 1,725,173,523.28 × 320,875,111.73
  4. Step 4: Simplify right side
    1,149,922,165.49x = 553,565,247,041,704,192
  5. Step 5: Solve for x
    x = 553,565,247,041,704,192/1,149,922,165.49
  6. Step 6: Final answer
    x = 481,393,666.16

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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.