Home / 1,172,492,936.38-1,758,795,965.52-385,529,166.01

Finding the Fourth Proportional to 1,172,492,936.38, 1,758,795,965.52 and 385,529,166.01

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Solution

The fourth proportional to 1,172,492,936.38, 1,758,795,965.52 and 385,529,166.01 is: 578,312,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,492,936.38 : 1,758,795,965.52 = 385,529,166.01 : x
  2. Step 2: Convert to fraction form
    1,172,492,936.38/1,758,795,965.52 = 385,529,166.01/x
  3. Step 3: Cross multiply
    1,172,492,936.38x = 1,758,795,965.52 × 385,529,166.01
  4. Step 4: Simplify right side
    1,172,492,936.38x = 678,067,141,768,678,272
  5. Step 5: Solve for x
    x = 678,067,141,768,678,272/1,172,492,936.38
  6. Step 6: Final answer
    x = 578,312,346.91

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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.