Home / 1,347,228,697.70-2,020,843,046.55-830,242,892.90

Finding the Fourth Proportional to 1,347,228,697.70, 2,020,843,046.55 and 830,242,892.90

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Solution

The fourth proportional to 1,347,228,697.70, 2,020,843,046.55 and 830,242,892.90 is: 1,245,364,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,228,697.70 : 2,020,843,046.55 = 830,242,892.90 : x
  2. Step 2: Convert to fraction form
    1,347,228,697.70/2,020,843,046.55 = 830,242,892.90/x
  3. Step 3: Cross multiply
    1,347,228,697.70x = 2,020,843,046.55 × 830,242,892.90
  4. Step 4: Simplify right side
    1,347,228,697.70x = 1,677,790,577,064,521,216
  5. Step 5: Solve for x
    x = 1,677,790,577,064,521,216/1,347,228,697.70
  6. Step 6: Final answer
    x = 1,245,364,339.35

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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.