Home / 911,384,870.92-1,257,913,453.42-554,076,724.24

Finding the Fourth Proportional to 911,384,870.92, 1,257,913,453.42 and 554,076,724.24

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Solution

The fourth proportional to 911,384,870.92, 1,257,913,453.42 and 554,076,724.24 is: 764,748,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,384,870.92 : 1,257,913,453.42 = 554,076,724.24 : x
  2. Step 2: Convert to fraction form
    911,384,870.92/1,257,913,453.42 = 554,076,724.24/x
  3. Step 3: Cross multiply
    911,384,870.92x = 1,257,913,453.42 × 554,076,724.24
  4. Step 4: Simplify right side
    911,384,870.92x = 696,980,565,643,627,648
  5. Step 5: Solve for x
    x = 696,980,565,643,627,648/911,384,870.92
  6. Step 6: Final answer
    x = 764,748,886.97

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Double scale
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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.