Home / 470,328,950.48-649,090,259.07-282,164,291.60

Finding the Fourth Proportional to 470,328,950.48, 649,090,259.07 and 282,164,291.60

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Solution

The fourth proportional to 470,328,950.48, 649,090,259.07 and 282,164,291.60 is: 389,408,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,328,950.48 : 649,090,259.07 = 282,164,291.60 : x
  2. Step 2: Convert to fraction form
    470,328,950.48/649,090,259.07 = 282,164,291.60/x
  3. Step 3: Cross multiply
    470,328,950.48x = 649,090,259.07 × 282,164,291.60
  4. Step 4: Simplify right side
    470,328,950.48x = 183,150,093,134,947,040
  5. Step 5: Solve for x
    x = 183,150,093,134,947,040/470,328,950.48
  6. Step 6: Final answer
    x = 389,408,504.30

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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.