Home / 739,525,219.68-1,020,532,330.80-409,493,272.80

Finding the Fourth Proportional to 739,525,219.68, 1,020,532,330.80 and 409,493,272.80

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Solution

The fourth proportional to 739,525,219.68, 1,020,532,330.80 and 409,493,272.80 is: 565,093,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,525,219.68 : 1,020,532,330.80 = 409,493,272.80 : x
  2. Step 2: Convert to fraction form
    739,525,219.68/1,020,532,330.80 = 409,493,272.80/x
  3. Step 3: Cross multiply
    739,525,219.68x = 1,020,532,330.80 × 409,493,272.80
  4. Step 4: Simplify right side
    739,525,219.68x = 417,901,124,137,504,256
  5. Step 5: Solve for x
    x = 417,901,124,137,504,256/739,525,219.68
  6. Step 6: Final answer
    x = 565,093,810.21

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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.