Home / 2,009,085,172.60-2,772,692,670.84-1,205,342,809.18

Finding the Fourth Proportional to 2,009,085,172.60, 2,772,692,670.84 and 1,205,342,809.18

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Solution

The fourth proportional to 2,009,085,172.60, 2,772,692,670.84 and 1,205,342,809.18 is: 1,663,466,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,085,172.60 : 2,772,692,670.84 = 1,205,342,809.18 : x
  2. Step 2: Convert to fraction form
    2,009,085,172.60/2,772,692,670.84 = 1,205,342,809.18/x
  3. Step 3: Cross multiply
    2,009,085,172.60x = 2,772,692,670.84 × 1,205,342,809.18
  4. Step 4: Simplify right side
    2,009,085,172.60x = 3,342,045,172,863,083,008
  5. Step 5: Solve for x
    x = 3,342,045,172,863,083,008/2,009,085,172.60
  6. Step 6: Final answer
    x = 1,663,466,147.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.