Home / 470,877,776.58-649,806,174.81-259,180,080.96

Finding the Fourth Proportional to 470,877,776.58, 649,806,174.81 and 259,180,080.96

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Solution

The fourth proportional to 470,877,776.58, 649,806,174.81 and 259,180,080.96 is: 357,665,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,776.58 : 649,806,174.81 = 259,180,080.96 : x
  2. Step 2: Convert to fraction form
    470,877,776.58/649,806,174.81 = 259,180,080.96/x
  3. Step 3: Cross multiply
    470,877,776.58x = 649,806,174.81 × 259,180,080.96
  4. Step 4: Simplify right side
    470,877,776.58x = 168,416,816,995,563,712
  5. Step 5: Solve for x
    x = 168,416,816,995,563,712/470,877,776.58
  6. Step 6: Final answer
    x = 357,665,673.29

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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.