Home / 386,992,774.40-534,029,873.28-240,311,932.16

Finding the Fourth Proportional to 386,992,774.40, 534,029,873.28 and 240,311,932.16

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Solution

The fourth proportional to 386,992,774.40, 534,029,873.28 and 240,311,932.16 is: 331,617,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,992,774.40 : 534,029,873.28 = 240,311,932.16 : x
  2. Step 2: Convert to fraction form
    386,992,774.40/534,029,873.28 = 240,311,932.16/x
  3. Step 3: Cross multiply
    386,992,774.40x = 534,029,873.28 × 240,311,932.16
  4. Step 4: Simplify right side
    386,992,774.40x = 128,333,750,679,076,752
  5. Step 5: Solve for x
    x = 128,333,750,679,076,752/386,992,774.40
  6. Step 6: Final answer
    x = 331,617,950.43

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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.