Home / 1,493,001,112.80-2,239,501,669.20-879,269,426.40

Finding the Fourth Proportional to 1,493,001,112.80, 2,239,501,669.20 and 879,269,426.40

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Solution

The fourth proportional to 1,493,001,112.80, 2,239,501,669.20 and 879,269,426.40 is: 1,318,904,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,001,112.80 : 2,239,501,669.20 = 879,269,426.40 : x
  2. Step 2: Convert to fraction form
    1,493,001,112.80/2,239,501,669.20 = 879,269,426.40/x
  3. Step 3: Cross multiply
    1,493,001,112.80x = 2,239,501,669.20 × 879,269,426.40
  4. Step 4: Simplify right side
    1,493,001,112.80x = 1,969,125,348,099,326,208
  5. Step 5: Solve for x
    x = 1,969,125,348,099,326,208/1,493,001,112.80
  6. Step 6: Final answer
    x = 1,318,904,139.60

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1.5x scale

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.