Home / 858,676,989.40-1,288,015,484.10-858,676,989.40

Finding the Fourth Proportional to 858,676,989.40, 1,288,015,484.10 and 858,676,989.40

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Solution

The fourth proportional to 858,676,989.40, 1,288,015,484.10 and 858,676,989.40 is: 1,288,015,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,676,989.40 : 1,288,015,484.10 = 858,676,989.40 : x
  2. Step 2: Convert to fraction form
    858,676,989.40/1,288,015,484.10 = 858,676,989.40/x
  3. Step 3: Cross multiply
    858,676,989.40x = 1,288,015,484.10 × 858,676,989.40
  4. Step 4: Simplify right side
    858,676,989.40x = 1,105,989,258,187,571,456
  5. Step 5: Solve for x
    x = 1,105,989,258,187,571,456/858,676,989.40
  6. Step 6: Final answer
    x = 1,288,015,484.10

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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.