Home / 897,120,146.20-1,346,282,081.70-314,853,266.20

Finding the Fourth Proportional to 897,120,146.20, 1,346,282,081.70 and 314,853,266.20

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Solution

The fourth proportional to 897,120,146.20, 1,346,282,081.70 and 314,853,266.20 is: 472,491,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,120,146.20 : 1,346,282,081.70 = 314,853,266.20 : x
  2. Step 2: Convert to fraction form
    897,120,146.20/1,346,282,081.70 = 314,853,266.20/x
  3. Step 3: Cross multiply
    897,120,146.20x = 1,346,282,081.70 × 314,853,266.20
  4. Step 4: Simplify right side
    897,120,146.20x = 423,881,310,649,780,224
  5. Step 5: Solve for x
    x = 423,881,310,649,780,224/897,120,146.20
  6. Step 6: Final answer
    x = 472,491,128.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.