Home / 1,172,493,344.67-1,758,796,581.21-385,529,574.69

Finding the Fourth Proportional to 1,172,493,344.67, 1,758,796,581.21 and 385,529,574.69

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Solution

The fourth proportional to 1,172,493,344.67, 1,758,796,581.21 and 385,529,574.69 is: 578,312,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,493,344.67 : 1,758,796,581.21 = 385,529,574.69 : x
  2. Step 2: Convert to fraction form
    1,172,493,344.67/1,758,796,581.21 = 385,529,574.69/x
  3. Step 3: Cross multiply
    1,172,493,344.67x = 1,758,796,581.21 × 385,529,574.69
  4. Step 4: Simplify right side
    1,172,493,344.67x = 678,068,097,920,117,376
  5. Step 5: Solve for x
    x = 678,068,097,920,117,376/1,172,493,344.67
  6. Step 6: Final answer
    x = 578,312,961.01

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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.