Home / 1,186,347,907.60-1,779,521,861.40-798,356,611.60

Finding the Fourth Proportional to 1,186,347,907.60, 1,779,521,861.40 and 798,356,611.60

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Solution

The fourth proportional to 1,186,347,907.60, 1,779,521,861.40 and 798,356,611.60 is: 1,197,534,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,347,907.60 : 1,779,521,861.40 = 798,356,611.60 : x
  2. Step 2: Convert to fraction form
    1,186,347,907.60/1,779,521,861.40 = 798,356,611.60/x
  3. Step 3: Cross multiply
    1,186,347,907.60x = 1,779,521,861.40 × 798,356,611.60
  4. Step 4: Simplify right side
    1,186,347,907.60x = 1,420,693,043,535,428,864
  5. Step 5: Solve for x
    x = 1,420,693,043,535,428,864/1,186,347,907.60
  6. Step 6: Final answer
    x = 1,197,534,917.40

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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.