Home / 470,877,808.56-649,806,218.78-259,180,113.02

Finding the Fourth Proportional to 470,877,808.56, 649,806,218.78 and 259,180,113.02

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Solution

The fourth proportional to 470,877,808.56, 649,806,218.78 and 259,180,113.02 is: 357,665,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,808.56 : 649,806,218.78 = 259,180,113.02 : x
  2. Step 2: Convert to fraction form
    470,877,808.56/649,806,218.78 = 259,180,113.02/x
  3. Step 3: Cross multiply
    470,877,808.56x = 649,806,218.78 × 259,180,113.02
  4. Step 4: Simplify right side
    470,877,808.56x = 168,416,849,224,499,232
  5. Step 5: Solve for x
    x = 168,416,849,224,499,232/470,877,808.56
  6. Step 6: Final answer
    x = 357,665,717.44

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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.