Home / 741,528,214.20-1,112,292,321.30-431,166,670.20

Finding the Fourth Proportional to 741,528,214.20, 1,112,292,321.30 and 431,166,670.20

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Solution

The fourth proportional to 741,528,214.20, 1,112,292,321.30 and 431,166,670.20 is: 646,750,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,528,214.20 : 1,112,292,321.30 = 431,166,670.20 : x
  2. Step 2: Convert to fraction form
    741,528,214.20/1,112,292,321.30 = 431,166,670.20/x
  3. Step 3: Cross multiply
    741,528,214.20x = 1,112,292,321.30 × 431,166,670.20
  4. Step 4: Simplify right side
    741,528,214.20x = 479,583,376,463,949,504
  5. Step 5: Solve for x
    x = 479,583,376,463,949,504/741,528,214.20
  6. Step 6: Final answer
    x = 646,750,005.30

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Double scale
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1.5x scale

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.