Home / 1,243,354,292.26-1,865,005,827.27-414,368,136.34

Finding the Fourth Proportional to 1,243,354,292.26, 1,865,005,827.27 and 414,368,136.34

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Solution

The fourth proportional to 1,243,354,292.26, 1,865,005,827.27 and 414,368,136.34 is: 621,543,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,354,292.26 : 1,865,005,827.27 = 414,368,136.34 : x
  2. Step 2: Convert to fraction form
    1,243,354,292.26/1,865,005,827.27 = 414,368,136.34/x
  3. Step 3: Cross multiply
    1,243,354,292.26x = 1,865,005,827.27 × 414,368,136.34
  4. Step 4: Simplify right side
    1,243,354,292.26x = 772,798,988,909,109,760
  5. Step 5: Solve for x
    x = 772,798,988,909,109,760/1,243,354,292.26
  6. Step 6: Final answer
    x = 621,543,669.19

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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.