Home / 1,236,583,915.20-1,854,875,872.80-624,363,883.20

Finding the Fourth Proportional to 1,236,583,915.20, 1,854,875,872.80 and 624,363,883.20

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Solution

The fourth proportional to 1,236,583,915.20, 1,854,875,872.80 and 624,363,883.20 is: 936,545,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,583,915.20 : 1,854,875,872.80 = 624,363,883.20 : x
  2. Step 2: Convert to fraction form
    1,236,583,915.20/1,854,875,872.80 = 624,363,883.20/x
  3. Step 3: Cross multiply
    1,236,583,915.20x = 1,854,875,872.80 × 624,363,883.20
  4. Step 4: Simplify right side
    1,236,583,915.20x = 1,158,117,502,795,397,376
  5. Step 5: Solve for x
    x = 1,158,117,502,795,397,376/1,236,583,915.20
  6. Step 6: Final answer
    x = 936,545,824.80

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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.