Home / 1,379,283,389.80-2,069,932,854.30-971,136,701.80

Finding the Fourth Proportional to 1,379,283,389.80, 2,069,932,854.30 and 971,136,701.80

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Solution

The fourth proportional to 1,379,283,389.80, 2,069,932,854.30 and 971,136,701.80 is: 1,457,414,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,283,389.80 : 2,069,932,854.30 = 971,136,701.80 : x
  2. Step 2: Convert to fraction form
    1,379,283,389.80/2,069,932,854.30 = 971,136,701.80/x
  3. Step 3: Cross multiply
    1,379,283,389.80x = 2,069,932,854.30 × 971,136,701.80
  4. Step 4: Simplify right side
    1,379,283,389.80x = 2,010,187,765,072,361,728
  5. Step 5: Solve for x
    x = 2,010,187,765,072,361,728/1,379,283,389.80
  6. Step 6: Final answer
    x = 1,457,414,611.05

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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.