Home / 509,758,127,653.15-703,482,865,955.94-278,283,989,524.90

Finding the Fourth Proportional to 509,758,127,653.15, 703,482,865,955.94 and 278,283,989,524.90

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Solution

The fourth proportional to 509,758,127,653.15, 703,482,865,955.94 and 278,283,989,524.90 is: 384,040,994,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,758,127,653.15 : 703,482,865,955.94 = 278,283,989,524.90 : x
  2. Step 2: Convert to fraction form
    509,758,127,653.15/703,482,865,955.94 = 278,283,989,524.90/x
  3. Step 3: Cross multiply
    509,758,127,653.15x = 703,482,865,955.94 × 278,283,989,524.90
  4. Step 4: Simplify right side
    509,758,127,653.15x = 195,768,018,500,629,443,903,488
  5. Step 5: Solve for x
    x = 195,768,018,500,629,443,903,488/509,758,127,653.15
  6. Step 6: Final answer
    x = 384,040,994,896.77

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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.