Home / 911,384,871.92-1,257,913,454.80-554,076,725.24

Finding the Fourth Proportional to 911,384,871.92, 1,257,913,454.80 and 554,076,725.24

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Solution

The fourth proportional to 911,384,871.92, 1,257,913,454.80 and 554,076,725.24 is: 764,748,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,384,871.92 : 1,257,913,454.80 = 554,076,725.24 : x
  2. Step 2: Convert to fraction form
    911,384,871.92/1,257,913,454.80 = 554,076,725.24/x
  3. Step 3: Cross multiply
    911,384,871.92x = 1,257,913,454.80 × 554,076,725.24
  4. Step 4: Simplify right side
    911,384,871.92x = 696,980,567,670,918,784
  5. Step 5: Solve for x
    x = 696,980,567,670,918,784/911,384,871.92
  6. Step 6: Final answer
    x = 764,748,888.36

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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.