Home / 1,181,178,145.62-1,771,526,715.48-433,937,091.78

Finding the Fourth Proportional to 1,181,178,145.62, 1,771,526,715.48 and 433,937,091.78

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Solution

The fourth proportional to 1,181,178,145.62, 1,771,526,715.48 and 433,937,091.78 is: 650,817,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,178,145.62 : 1,771,526,715.48 = 433,937,091.78 : x
  2. Step 2: Convert to fraction form
    1,181,178,145.62/1,771,526,715.48 = 433,937,091.78/x
  3. Step 3: Cross multiply
    1,181,178,145.62x = 1,771,526,715.48 × 433,937,091.78
  4. Step 4: Simplify right side
    1,181,178,145.62x = 768,731,150,925,966,720
  5. Step 5: Solve for x
    x = 768,731,150,925,966,720/1,181,178,145.62
  6. Step 6: Final answer
    x = 650,817,282.54

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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.