Home / 911,384,887.37-1,257,913,476.09-554,076,740.61

Finding the Fourth Proportional to 911,384,887.37, 1,257,913,476.09 and 554,076,740.61

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Solution

The fourth proportional to 911,384,887.37, 1,257,913,476.09 and 554,076,740.61 is: 764,748,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,384,887.37 : 1,257,913,476.09 = 554,076,740.61 : x
  2. Step 2: Convert to fraction form
    911,384,887.37/1,257,913,476.09 = 554,076,740.61/x
  3. Step 3: Cross multiply
    911,384,887.37x = 1,257,913,476.09 × 554,076,740.61
  4. Step 4: Simplify right side
    911,384,887.37x = 696,980,598,801,342,336
  5. Step 5: Solve for x
    x = 696,980,598,801,342,336/911,384,887.37
  6. Step 6: Final answer
    x = 764,748,909.56

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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.