Home / 1,314,145,708.20-1,971,218,562.30-797,159,903.40

Finding the Fourth Proportional to 1,314,145,708.20, 1,971,218,562.30 and 797,159,903.40

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Solution

The fourth proportional to 1,314,145,708.20, 1,971,218,562.30 and 797,159,903.40 is: 1,195,739,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,145,708.20 : 1,971,218,562.30 = 797,159,903.40 : x
  2. Step 2: Convert to fraction form
    1,314,145,708.20/1,971,218,562.30 = 797,159,903.40/x
  3. Step 3: Cross multiply
    1,314,145,708.20x = 1,971,218,562.30 × 797,159,903.40
  4. Step 4: Simplify right side
    1,314,145,708.20x = 1,571,376,398,703,354,880
  5. Step 5: Solve for x
    x = 1,571,376,398,703,354,880/1,314,145,708.20
  6. Step 6: Final answer
    x = 1,195,739,855.10

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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.