Home / 699,521,774.40-1,049,282,661.60-679,366,382.40

Finding the Fourth Proportional to 699,521,774.40, 1,049,282,661.60 and 679,366,382.40

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Solution

The fourth proportional to 699,521,774.40, 1,049,282,661.60 and 679,366,382.40 is: 1,019,049,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,521,774.40 : 1,049,282,661.60 = 679,366,382.40 : x
  2. Step 2: Convert to fraction form
    699,521,774.40/1,049,282,661.60 = 679,366,382.40/x
  3. Step 3: Cross multiply
    699,521,774.40x = 1,049,282,661.60 × 679,366,382.40
  4. Step 4: Simplify right side
    699,521,774.40x = 712,847,365,926,235,392
  5. Step 5: Solve for x
    x = 712,847,365,926,235,392/699,521,774.40
  6. Step 6: Final answer
    x = 1,019,049,573.60

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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.