Home / 1,172,493,353.52-1,758,796,594.47-385,529,583.52

Finding the Fourth Proportional to 1,172,493,353.52, 1,758,796,594.47 and 385,529,583.52

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Solution

The fourth proportional to 1,172,493,353.52, 1,758,796,594.47 and 385,529,583.52 is: 578,312,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,493,353.52 : 1,758,796,594.47 = 385,529,583.52 : x
  2. Step 2: Convert to fraction form
    1,172,493,353.52/1,758,796,594.47 = 385,529,583.52/x
  3. Step 3: Cross multiply
    1,172,493,353.52x = 1,758,796,594.47 × 385,529,583.52
  4. Step 4: Simplify right side
    1,172,493,353.52x = 678,068,118,564,611,968
  5. Step 5: Solve for x
    x = 678,068,118,564,611,968/1,172,493,353.52
  6. Step 6: Final answer
    x = 578,312,974.25

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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.