Home / 1,366,261,546.33-1,885,567,316.46-830,289,513.58

Finding the Fourth Proportional to 1,366,261,546.33, 1,885,567,316.46 and 830,289,513.58

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Solution

The fourth proportional to 1,366,261,546.33, 1,885,567,316.46 and 830,289,513.58 is: 1,145,876,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,261,546.33 : 1,885,567,316.46 = 830,289,513.58 : x
  2. Step 2: Convert to fraction form
    1,366,261,546.33/1,885,567,316.46 = 830,289,513.58/x
  3. Step 3: Cross multiply
    1,366,261,546.33x = 1,885,567,316.46 × 830,289,513.58
  4. Step 4: Simplify right side
    1,366,261,546.33x = 1,565,566,770,000,570,368
  5. Step 5: Solve for x
    x = 1,565,566,770,000,570,368/1,366,261,546.33
  6. Step 6: Final answer
    x = 1,145,876,332.54

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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.