Home / 845,022,415.30-1,266,021,968.55-724,090,063.30

Finding the Fourth Proportional to 845,022,415.30, 1,266,021,968.55 and 724,090,063.30

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Solution

The fourth proportional to 845,022,415.30, 1,266,021,968.55 and 724,090,063.30 is: 1,084,839,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,022,415.30 : 1,266,021,968.55 = 724,090,063.30 : x
  2. Step 2: Convert to fraction form
    845,022,415.30/1,266,021,968.55 = 724,090,063.30/x
  3. Step 3: Cross multiply
    845,022,415.30x = 1,266,021,968.55 × 724,090,063.30
  4. Step 4: Simplify right side
    845,022,415.30x = 916,713,927,346,560,000
  5. Step 5: Solve for x
    x = 916,713,927,346,560,000/845,022,415.30
  6. Step 6: Final answer
    x = 1,084,839,775.55

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1.5x scale

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.