Home / 470,877,725.50-649,806,104.53-259,180,029.98

Finding the Fourth Proportional to 470,877,725.50, 649,806,104.53 and 259,180,029.98

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Solution

The fourth proportional to 470,877,725.50, 649,806,104.53 and 259,180,029.98 is: 357,665,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,725.50 : 649,806,104.53 = 259,180,029.98 : x
  2. Step 2: Convert to fraction form
    470,877,725.50/649,806,104.53 = 259,180,029.98/x
  3. Step 3: Cross multiply
    470,877,725.50x = 649,806,104.53 × 259,180,029.98
  4. Step 4: Simplify right side
    470,877,725.50x = 168,416,765,653,272,384
  5. Step 5: Solve for x
    x = 168,416,765,653,272,384/470,877,725.50
  6. Step 6: Final answer
    x = 357,665,603.05

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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.