Home / 1,314,145,709.20-1,971,218,563.80-797,159,904.40

Finding the Fourth Proportional to 1,314,145,709.20, 1,971,218,563.80 and 797,159,904.40

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Solution

The fourth proportional to 1,314,145,709.20, 1,971,218,563.80 and 797,159,904.40 is: 1,195,739,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,145,709.20 : 1,971,218,563.80 = 797,159,904.40 : x
  2. Step 2: Convert to fraction form
    1,314,145,709.20/1,971,218,563.80 = 797,159,904.40/x
  3. Step 3: Cross multiply
    1,314,145,709.20x = 1,971,218,563.80 × 797,159,904.40
  4. Step 4: Simplify right side
    1,314,145,709.20x = 1,571,376,401,870,313,216
  5. Step 5: Solve for x
    x = 1,571,376,401,870,313,216/1,314,145,709.20
  6. Step 6: Final answer
    x = 1,195,739,856.60

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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.