Home / 470,877,877.32-649,806,313.86-259,180,181.52

Finding the Fourth Proportional to 470,877,877.32, 649,806,313.86 and 259,180,181.52

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Solution

The fourth proportional to 470,877,877.32, 649,806,313.86 and 259,180,181.52 is: 357,665,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,877.32 : 649,806,313.86 = 259,180,181.52 : x
  2. Step 2: Convert to fraction form
    470,877,877.32/649,806,313.86 = 259,180,181.52/x
  3. Step 3: Cross multiply
    470,877,877.32x = 649,806,313.86 × 259,180,181.52
  4. Step 4: Simplify right side
    470,877,877.32x = 168,416,918,379,076,896
  5. Step 5: Solve for x
    x = 168,416,918,379,076,896/470,877,877.32
  6. Step 6: Final answer
    x = 357,665,812.07

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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.