Home / 550,013,234,630.98-759,018,300,290.40-306,137,469,792.80

Finding the Fourth Proportional to 550,013,234,630.98, 759,018,300,290.40 and 306,137,469,792.80

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Solution

The fourth proportional to 550,013,234,630.98, 759,018,300,290.40 and 306,137,469,792.80 is: 422,469,728,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,013,234,630.98 : 759,018,300,290.40 = 306,137,469,792.80 : x
  2. Step 2: Convert to fraction form
    550,013,234,630.98/759,018,300,290.40 = 306,137,469,792.80/x
  3. Step 3: Cross multiply
    550,013,234,630.98x = 759,018,300,290.40 × 306,137,469,792.80
  4. Step 4: Simplify right side
    550,013,234,630.98x = 232,363,941,977,334,715,777,024
  5. Step 5: Solve for x
    x = 232,363,941,977,334,715,777,024/550,013,234,630.98
  6. Step 6: Final answer
    x = 422,469,728,629.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.