Home / 1,164,158,217.75-1,606,544,865.86-662,366,989.25

Finding the Fourth Proportional to 1,164,158,217.75, 1,606,544,865.86 and 662,366,989.25

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Solution

The fourth proportional to 1,164,158,217.75, 1,606,544,865.86 and 662,366,989.25 is: 914,070,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,158,217.75 : 1,606,544,865.86 = 662,366,989.25 : x
  2. Step 2: Convert to fraction form
    1,164,158,217.75/1,606,544,865.86 = 662,366,989.25/x
  3. Step 3: Cross multiply
    1,164,158,217.75x = 1,606,544,865.86 × 662,366,989.25
  4. Step 4: Simplify right side
    1,164,158,217.75x = 1,064,122,285,894,733,184
  5. Step 5: Solve for x
    x = 1,064,122,285,894,733,184/1,164,158,217.75
  6. Step 6: Final answer
    x = 914,070,157.88

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Double scale
Find fourth proportional to 1,164,158,218.75, 1,606,544,867.24 and 662,366,990.25
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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.