Home / 1,050,840,897.39-1,449,919,853.19-627,372,142.05

Finding the Fourth Proportional to 1,050,840,897.39, 1,449,919,853.19 and 627,372,142.05

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Solution

The fourth proportional to 1,050,840,897.39, 1,449,919,853.19 and 627,372,142.05 is: 865,629,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,840,897.39 : 1,449,919,853.19 = 627,372,142.05 : x
  2. Step 2: Convert to fraction form
    1,050,840,897.39/1,449,919,853.19 = 627,372,142.05/x
  3. Step 3: Cross multiply
    1,050,840,897.39x = 1,449,919,853.19 × 627,372,142.05
  4. Step 4: Simplify right side
    1,050,840,897.39x = 909,639,324,096,631,808
  5. Step 5: Solve for x
    x = 909,639,324,096,631,808/1,050,840,897.39
  6. Step 6: Final answer
    x = 865,629,922.05

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Half scale
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Double scale
Find fourth proportional to 1,050,840,898.39, 1,449,919,854.57 and 627,372,143.05
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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.