Home / 872,987,812.23-1,204,543,341.13-501,638,099.07

Finding the Fourth Proportional to 872,987,812.23, 1,204,543,341.13 and 501,638,099.07

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Solution

The fourth proportional to 872,987,812.23, 1,204,543,341.13 and 501,638,099.07 is: 692,157,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,987,812.23 : 1,204,543,341.13 = 501,638,099.07 : x
  2. Step 2: Convert to fraction form
    872,987,812.23/1,204,543,341.13 = 501,638,099.07/x
  3. Step 3: Cross multiply
    872,987,812.23x = 1,204,543,341.13 × 501,638,099.07
  4. Step 4: Simplify right side
    872,987,812.23x = 604,244,831,891,879,808
  5. Step 5: Solve for x
    x = 604,244,831,891,879,808/872,987,812.23
  6. Step 6: Final answer
    x = 692,157,236.82

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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.