Home / 699,193,075.80-1,049,984,007.30-457,925,568.60

Finding the Fourth Proportional to 699,193,075.80, 1,049,984,007.30 and 457,925,568.60

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Solution

The fourth proportional to 699,193,075.80, 1,049,984,007.30 and 457,925,568.60 is: 687,670,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,193,075.80 : 1,049,984,007.30 = 457,925,568.60 : x
  2. Step 2: Convert to fraction form
    699,193,075.80/1,049,984,007.30 = 457,925,568.60/x
  3. Step 3: Cross multiply
    699,193,075.80x = 1,049,984,007.30 × 457,925,568.60
  4. Step 4: Simplify right side
    699,193,075.80x = 480,814,523,563,759,040
  5. Step 5: Solve for x
    x = 480,814,523,563,759,040/699,193,075.80
  6. Step 6: Final answer
    x = 687,670,602.31

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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.