Home / 480,428,320,979.52-662,947,261,534.80-285,077,936,179.44

Finding the Fourth Proportional to 480,428,320,979.52, 662,947,261,534.80 and 285,077,936,179.44

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Solution

The fourth proportional to 480,428,320,979.52, 662,947,261,534.80 and 285,077,936,179.44 is: 393,381,549,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,428,320,979.52 : 662,947,261,534.80 = 285,077,936,179.44 : x
  2. Step 2: Convert to fraction form
    480,428,320,979.52/662,947,261,534.80 = 285,077,936,179.44/x
  3. Step 3: Cross multiply
    480,428,320,979.52x = 662,947,261,534.80 × 285,077,936,179.44
  4. Step 4: Simplify right side
    480,428,320,979.52x = 188,991,637,114,152,252,604,416
  5. Step 5: Solve for x
    x = 188,991,637,114,152,252,604,416/480,428,320,979.52
  6. Step 6: Final answer
    x = 393,381,549,049.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.