Home / 3,950,158,741.21-5,445,945,631.51-3,138,114,532.47

Finding the Fourth Proportional to 3,950,158,741.21, 5,445,945,631.51 and 3,138,114,532.47

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Solution

The fourth proportional to 3,950,158,741.21, 5,445,945,631.51 and 3,138,114,532.47 is: 4,326,408,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,158,741.21 : 5,445,945,631.51 = 3,138,114,532.47 : x
  2. Step 2: Convert to fraction form
    3,950,158,741.21/5,445,945,631.51 = 3,138,114,532.47/x
  3. Step 3: Cross multiply
    3,950,158,741.21x = 5,445,945,631.51 × 3,138,114,532.47
  4. Step 4: Simplify right side
    3,950,158,741.21x = 17,090,001,129,283,041,280
  5. Step 5: Solve for x
    x = 17,090,001,129,283,041,280/3,950,158,741.21
  6. Step 6: Final answer
    x = 4,326,408,696.19

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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.