Home / 649,035,377.29-895,669,607.97-351,677,389.47

Finding the Fourth Proportional to 649,035,377.29, 895,669,607.97 and 351,677,389.47

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Solution

The fourth proportional to 649,035,377.29, 895,669,607.97 and 351,677,389.47 is: 485,315,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,035,377.29 : 895,669,607.97 = 351,677,389.47 : x
  2. Step 2: Convert to fraction form
    649,035,377.29/895,669,607.97 = 351,677,389.47/x
  3. Step 3: Cross multiply
    649,035,377.29x = 895,669,607.97 × 351,677,389.47
  4. Step 4: Simplify right side
    649,035,377.29x = 314,986,749,558,507,968
  5. Step 5: Solve for x
    x = 314,986,749,558,507,968/649,035,377.29
  6. Step 6: Final answer
    x = 485,315,224.07

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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.