Home / 1,448,289,980.80-2,173,837,975.52-1,369,636,712.96

Finding the Fourth Proportional to 1,448,289,980.80, 2,173,837,975.52 and 1,369,636,712.96

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Solution

The fourth proportional to 1,448,289,980.80, 2,173,837,975.52 and 1,369,636,712.96 is: 2,055,781,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,289,980.80 : 2,173,837,975.52 = 1,369,636,712.96 : x
  2. Step 2: Convert to fraction form
    1,448,289,980.80/2,173,837,975.52 = 1,369,636,712.96/x
  3. Step 3: Cross multiply
    1,448,289,980.80x = 2,173,837,975.52 × 1,369,636,712.96
  4. Step 4: Simplify right side
    1,448,289,980.80x = 2,977,368,299,298,833,920
  5. Step 5: Solve for x
    x = 2,977,368,299,298,833,920/1,448,289,980.80
  6. Step 6: Final answer
    x = 2,055,781,879.85

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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.