Home / 676,595,812.40-1,014,893,718.60-659,589,700.40

Finding the Fourth Proportional to 676,595,812.40, 1,014,893,718.60 and 659,589,700.40

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Solution

The fourth proportional to 676,595,812.40, 1,014,893,718.60 and 659,589,700.40 is: 989,384,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,595,812.40 : 1,014,893,718.60 = 659,589,700.40 : x
  2. Step 2: Convert to fraction form
    676,595,812.40/1,014,893,718.60 = 659,589,700.40/x
  3. Step 3: Cross multiply
    676,595,812.40x = 1,014,893,718.60 × 659,589,700.40
  4. Step 4: Simplify right side
    676,595,812.40x = 669,413,443,789,215,872
  5. Step 5: Solve for x
    x = 669,413,443,789,215,872/676,595,812.40
  6. Step 6: Final answer
    x = 989,384,550.60

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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.