Home / 897,120,052.20-1,346,281,940.70-314,853,172.20

Finding the Fourth Proportional to 897,120,052.20, 1,346,281,940.70 and 314,853,172.20

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Solution

The fourth proportional to 897,120,052.20, 1,346,281,940.70 and 314,853,172.20 is: 472,490,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,120,052.20 : 1,346,281,940.70 = 314,853,172.20 : x
  2. Step 2: Convert to fraction form
    897,120,052.20/1,346,281,940.70 = 314,853,172.20/x
  3. Step 3: Cross multiply
    897,120,052.20x = 1,346,281,940.70 × 314,853,172.20
  4. Step 4: Simplify right side
    897,120,052.20x = 423,881,139,704,967,296
  5. Step 5: Solve for x
    x = 423,881,139,704,967,296/897,120,052.20
  6. Step 6: Final answer
    x = 472,490,987.87

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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.