Home / 509,758,127,652.15-703,482,865,954.56-278,283,989,523.90

Finding the Fourth Proportional to 509,758,127,652.15, 703,482,865,954.56 and 278,283,989,523.90

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Solution

The fourth proportional to 509,758,127,652.15, 703,482,865,954.56 and 278,283,989,523.90 is: 384,040,994,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,758,127,652.15 : 703,482,865,954.56 = 278,283,989,523.90 : x
  2. Step 2: Convert to fraction form
    509,758,127,652.15/703,482,865,954.56 = 278,283,989,523.90/x
  3. Step 3: Cross multiply
    509,758,127,652.15x = 703,482,865,954.56 × 278,283,989,523.90
  4. Step 4: Simplify right side
    509,758,127,652.15x = 195,768,018,499,541,944,762,368
  5. Step 5: Solve for x
    x = 195,768,018,499,541,944,762,368/509,758,127,652.15
  6. Step 6: Final answer
    x = 384,040,994,895.39

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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.