Home / 918,022,943.04-1,377,033,573.12-287,759,533.92

Finding the Fourth Proportional to 918,022,943.04, 1,377,033,573.12 and 287,759,533.92

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Solution

The fourth proportional to 918,022,943.04, 1,377,033,573.12 and 287,759,533.92 is: 431,639,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,022,943.04 : 1,377,033,573.12 = 287,759,533.92 : x
  2. Step 2: Convert to fraction form
    918,022,943.04/1,377,033,573.12 = 287,759,533.92/x
  3. Step 3: Cross multiply
    918,022,943.04x = 1,377,033,573.12 × 287,759,533.92
  4. Step 4: Simplify right side
    918,022,943.04x = 396,254,539,193,203,456
  5. Step 5: Solve for x
    x = 396,254,539,193,203,456/918,022,943.04
  6. Step 6: Final answer
    x = 431,639,037.13

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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.