Home / 911,384,900.63-1,257,913,494.44-554,076,753.97

Finding the Fourth Proportional to 911,384,900.63, 1,257,913,494.44 and 554,076,753.97

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Solution

The fourth proportional to 911,384,900.63, 1,257,913,494.44 and 554,076,753.97 is: 764,748,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,384,900.63 : 1,257,913,494.44 = 554,076,753.97 : x
  2. Step 2: Convert to fraction form
    911,384,900.63/1,257,913,494.44 = 554,076,753.97/x
  3. Step 3: Cross multiply
    911,384,900.63x = 1,257,913,494.44 × 554,076,753.97
  4. Step 4: Simplify right side
    911,384,900.63x = 696,980,625,773,176,832
  5. Step 5: Solve for x
    x = 696,980,625,773,176,832/911,384,900.63
  6. Step 6: Final answer
    x = 764,748,928.03

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1.5x scale

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.