Home / 2,009,085,173.60-2,772,692,672.22-1,205,342,810.18

Finding the Fourth Proportional to 2,009,085,173.60, 2,772,692,672.22 and 1,205,342,810.18

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Solution

The fourth proportional to 2,009,085,173.60, 2,772,692,672.22 and 1,205,342,810.18 is: 1,663,466,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,085,173.60 : 2,772,692,672.22 = 1,205,342,810.18 : x
  2. Step 2: Convert to fraction form
    2,009,085,173.60/2,772,692,672.22 = 1,205,342,810.18/x
  3. Step 3: Cross multiply
    2,009,085,173.60x = 2,772,692,672.22 × 1,205,342,810.18
  4. Step 4: Simplify right side
    2,009,085,173.60x = 3,342,045,177,299,148,288
  5. Step 5: Solve for x
    x = 3,342,045,177,299,148,288/2,009,085,173.60
  6. Step 6: Final answer
    x = 1,663,466,149.28

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1.5x scale

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.