Home / 3,085,680,379.79-4,258,166,494.92-1,815,603,627.74

Finding the Fourth Proportional to 3,085,680,379.79, 4,258,166,494.92 and 1,815,603,627.74

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Solution

The fourth proportional to 3,085,680,379.79, 4,258,166,494.92 and 1,815,603,627.74 is: 2,505,490,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,680,379.79 : 4,258,166,494.92 = 1,815,603,627.74 : x
  2. Step 2: Convert to fraction form
    3,085,680,379.79/4,258,166,494.92 = 1,815,603,627.74/x
  3. Step 3: Cross multiply
    3,085,680,379.79x = 4,258,166,494.92 × 1,815,603,627.74
  4. Step 4: Simplify right side
    3,085,680,379.79x = 7,731,142,535,676,381,184
  5. Step 5: Solve for x
    x = 7,731,142,535,676,381,184/3,085,680,379.79
  6. Step 6: Final answer
    x = 2,505,490,389.19

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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.