Home / 1,379,283,415.30-2,069,932,892.55-971,136,727.30

Finding the Fourth Proportional to 1,379,283,415.30, 2,069,932,892.55 and 971,136,727.30

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Solution

The fourth proportional to 1,379,283,415.30, 2,069,932,892.55 and 971,136,727.30 is: 1,457,414,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,283,415.30 : 2,069,932,892.55 = 971,136,727.30 : x
  2. Step 2: Convert to fraction form
    1,379,283,415.30/2,069,932,892.55 = 971,136,727.30/x
  3. Step 3: Cross multiply
    1,379,283,415.30x = 2,069,932,892.55 × 971,136,727.30
  4. Step 4: Simplify right side
    1,379,283,415.30x = 2,010,187,855,001,629,440
  5. Step 5: Solve for x
    x = 2,010,187,855,001,629,440/1,379,283,415.30
  6. Step 6: Final answer
    x = 1,457,414,649.30

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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.