Home / 1,172,602,896.80-1,758,456,447.60-354,443,280.80

Finding the Fourth Proportional to 1,172,602,896.80, 1,758,456,447.60 and 354,443,280.80

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Solution

The fourth proportional to 1,172,602,896.80, 1,758,456,447.60 and 354,443,280.80 is: 531,529,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,602,896.80 : 1,758,456,447.60 = 354,443,280.80 : x
  2. Step 2: Convert to fraction form
    1,172,602,896.80/1,758,456,447.60 = 354,443,280.80/x
  3. Step 3: Cross multiply
    1,172,602,896.80x = 1,758,456,447.60 × 354,443,280.80
  4. Step 4: Simplify right side
    1,172,602,896.80x = 623,273,072,431,257,216
  5. Step 5: Solve for x
    x = 623,273,072,431,257,216/1,172,602,896.80
  6. Step 6: Final answer
    x = 531,529,534.96

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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.