Home / 470,877,775.34-649,806,173.36-259,180,079.82

Finding the Fourth Proportional to 470,877,775.34, 649,806,173.36 and 259,180,079.82

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Solution

The fourth proportional to 470,877,775.34, 649,806,173.36 and 259,180,079.82 is: 357,665,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,775.34 : 649,806,173.36 = 259,180,079.82 : x
  2. Step 2: Convert to fraction form
    470,877,775.34/649,806,173.36 = 259,180,079.82/x
  3. Step 3: Cross multiply
    470,877,775.34x = 649,806,173.36 × 259,180,079.82
  4. Step 4: Simplify right side
    470,877,775.34x = 168,416,815,878,973,568
  5. Step 5: Solve for x
    x = 168,416,815,878,973,568/470,877,775.34
  6. Step 6: Final answer
    x = 357,665,671.86

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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.