Home / 1,361,619,813.60-2,039,406,411.60-1,119,755,109.60

Finding the Fourth Proportional to 1,361,619,813.60, 2,039,406,411.60 and 1,119,755,109.60

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Solution

The fourth proportional to 1,361,619,813.60, 2,039,406,411.60 and 1,119,755,109.60 is: 1,677,146,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,619,813.60 : 2,039,406,411.60 = 1,119,755,109.60 : x
  2. Step 2: Convert to fraction form
    1,361,619,813.60/2,039,406,411.60 = 1,119,755,109.60/x
  3. Step 3: Cross multiply
    1,361,619,813.60x = 2,039,406,411.60 × 1,119,755,109.60
  4. Step 4: Simplify right side
    1,361,619,813.60x = 2,283,635,749,940,100,352
  5. Step 5: Solve for x
    x = 2,283,635,749,940,100,352/1,361,619,813.60
  6. Step 6: Final answer
    x = 1,677,146,386.33

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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.