Home / 1,512,205,429.60-2,268,308,144.40-889,781,730.40

Finding the Fourth Proportional to 1,512,205,429.60, 2,268,308,144.40 and 889,781,730.40

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Solution

The fourth proportional to 1,512,205,429.60, 2,268,308,144.40 and 889,781,730.40 is: 1,334,672,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,205,429.60 : 2,268,308,144.40 = 889,781,730.40 : x
  2. Step 2: Convert to fraction form
    1,512,205,429.60/2,268,308,144.40 = 889,781,730.40/x
  3. Step 3: Cross multiply
    1,512,205,429.60x = 2,268,308,144.40 × 889,781,730.40
  4. Step 4: Simplify right side
    1,512,205,429.60x = 2,018,299,145,804,645,120
  5. Step 5: Solve for x
    x = 2,018,299,145,804,645,120/1,512,205,429.60
  6. Step 6: Final answer
    x = 1,334,672,595.60

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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.