Home / 1,726,473,890.40-2,589,710,835.60-1,209,488,085.60

Finding the Fourth Proportional to 1,726,473,890.40, 2,589,710,835.60 and 1,209,488,085.60

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Solution

The fourth proportional to 1,726,473,890.40, 2,589,710,835.60 and 1,209,488,085.60 is: 1,814,232,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,473,890.40 : 2,589,710,835.60 = 1,209,488,085.60 : x
  2. Step 2: Convert to fraction form
    1,726,473,890.40/2,589,710,835.60 = 1,209,488,085.60/x
  3. Step 3: Cross multiply
    1,726,473,890.40x = 2,589,710,835.60 × 1,209,488,085.60
  4. Step 4: Simplify right side
    1,726,473,890.40x = 3,132,224,400,807,419,904
  5. Step 5: Solve for x
    x = 3,132,224,400,807,419,904/1,726,473,890.40
  6. Step 6: Final answer
    x = 1,814,232,128.40

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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.