Home / 3,125,418,816.60-4,312,919,575.62-1,855,314,090.54

Finding the Fourth Proportional to 3,125,418,816.60, 4,312,919,575.62 and 1,855,314,090.54

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Solution

The fourth proportional to 3,125,418,816.60, 4,312,919,575.62 and 1,855,314,090.54 is: 2,560,239,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,418,816.60 : 4,312,919,575.62 = 1,855,314,090.54 : x
  2. Step 2: Convert to fraction form
    3,125,418,816.60/4,312,919,575.62 = 1,855,314,090.54/x
  3. Step 3: Cross multiply
    3,125,418,816.60x = 4,312,919,575.62 × 1,855,314,090.54
  4. Step 4: Simplify right side
    3,125,418,816.60x = 8,001,820,460,013,582,336
  5. Step 5: Solve for x
    x = 8,001,820,460,013,582,336/3,125,418,816.60
  6. Step 6: Final answer
    x = 2,560,239,420.56

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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.