Home / 3,158,436,778.14-4,358,778,986.07-1,748,740,771.74

Finding the Fourth Proportional to 3,158,436,778.14, 4,358,778,986.07 and 1,748,740,771.74

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Solution

The fourth proportional to 3,158,436,778.14, 4,358,778,986.07 and 1,748,740,771.74 is: 2,413,337,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,436,778.14 : 4,358,778,986.07 = 1,748,740,771.74 : x
  2. Step 2: Convert to fraction form
    3,158,436,778.14/4,358,778,986.07 = 1,748,740,771.74/x
  3. Step 3: Cross multiply
    3,158,436,778.14x = 4,358,778,986.07 × 1,748,740,771.74
  4. Step 4: Simplify right side
    3,158,436,778.14x = 7,622,374,527,944,145,920
  5. Step 5: Solve for x
    x = 7,622,374,527,944,145,920/3,158,436,778.14
  6. Step 6: Final answer
    x = 2,413,337,693.10

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Double scale
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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.