Home / 1,373,621,693.80-1,896,091,006.81-816,703,412.26

Finding the Fourth Proportional to 1,373,621,693.80, 1,896,091,006.81 and 816,703,412.26

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Solution

The fourth proportional to 1,373,621,693.80, 1,896,091,006.81 and 816,703,412.26 is: 1,127,343,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,621,693.80 : 1,896,091,006.81 = 816,703,412.26 : x
  2. Step 2: Convert to fraction form
    1,373,621,693.80/1,896,091,006.81 = 816,703,412.26/x
  3. Step 3: Cross multiply
    1,373,621,693.80x = 1,896,091,006.81 × 816,703,412.26
  4. Step 4: Simplify right side
    1,373,621,693.80x = 1,548,543,995,217,225,728
  5. Step 5: Solve for x
    x = 1,548,543,995,217,225,728/1,373,621,693.80
  6. Step 6: Final answer
    x = 1,127,343,869.28

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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.