Home / 1,620,162,314.20-2,430,243,471.30-1,556,672,829.40

Finding the Fourth Proportional to 1,620,162,314.20, 2,430,243,471.30 and 1,556,672,829.40

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Solution

The fourth proportional to 1,620,162,314.20, 2,430,243,471.30 and 1,556,672,829.40 is: 2,335,009,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,162,314.20 : 2,430,243,471.30 = 1,556,672,829.40 : x
  2. Step 2: Convert to fraction form
    1,620,162,314.20/2,430,243,471.30 = 1,556,672,829.40/x
  3. Step 3: Cross multiply
    1,620,162,314.20x = 2,430,243,471.30 × 1,556,672,829.40
  4. Step 4: Simplify right side
    1,620,162,314.20x = 3,783,093,980,599,449,088
  5. Step 5: Solve for x
    x = 3,783,093,980,599,449,088/1,620,162,314.20
  6. Step 6: Final answer
    x = 2,335,009,244.10

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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.