Home / 470,877,806.55-649,806,216.03-259,180,111.02

Finding the Fourth Proportional to 470,877,806.55, 649,806,216.03 and 259,180,111.02

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Solution

The fourth proportional to 470,877,806.55, 649,806,216.03 and 259,180,111.02 is: 357,665,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,806.55 : 649,806,216.03 = 259,180,111.02 : x
  2. Step 2: Convert to fraction form
    470,877,806.55/649,806,216.03 = 259,180,111.02/x
  3. Step 3: Cross multiply
    470,877,806.55x = 649,806,216.03 × 259,180,111.02
  4. Step 4: Simplify right side
    470,877,806.55x = 168,416,847,212,141,504
  5. Step 5: Solve for x
    x = 168,416,847,212,141,504/470,877,806.55
  6. Step 6: Final answer
    x = 357,665,714.69

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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.