Home / 1,190,644,037.71-1,643,080,166.63-662,003,928.61

Finding the Fourth Proportional to 1,190,644,037.71, 1,643,080,166.63 and 662,003,928.61

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Solution

The fourth proportional to 1,190,644,037.71, 1,643,080,166.63 and 662,003,928.61 is: 913,560,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,644,037.71 : 1,643,080,166.63 = 662,003,928.61 : x
  2. Step 2: Convert to fraction form
    1,190,644,037.71/1,643,080,166.63 = 662,003,928.61/x
  3. Step 3: Cross multiply
    1,190,644,037.71x = 1,643,080,166.63 × 662,003,928.61
  4. Step 4: Simplify right side
    1,190,644,037.71x = 1,087,725,525,325,331,200
  5. Step 5: Solve for x
    x = 1,087,725,525,325,331,200/1,190,644,037.71
  6. Step 6: Final answer
    x = 913,560,636.83

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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.