Home / 470,877,778.08-649,806,176.88-259,180,082.46

Finding the Fourth Proportional to 470,877,778.08, 649,806,176.88 and 259,180,082.46

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Solution

The fourth proportional to 470,877,778.08, 649,806,176.88 and 259,180,082.46 is: 357,665,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,778.08 : 649,806,176.88 = 259,180,082.46 : x
  2. Step 2: Convert to fraction form
    470,877,778.08/649,806,176.88 = 259,180,082.46/x
  3. Step 3: Cross multiply
    470,877,778.08x = 649,806,176.88 × 259,180,082.46
  4. Step 4: Simplify right side
    470,877,778.08x = 168,416,818,506,775,744
  5. Step 5: Solve for x
    x = 168,416,818,506,775,744/470,877,778.08
  6. Step 6: Final answer
    x = 357,665,675.36

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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.