Home / 470,877,780.08-649,806,179.64-259,180,084.46

Finding the Fourth Proportional to 470,877,780.08, 649,806,179.64 and 259,180,084.46

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Solution

The fourth proportional to 470,877,780.08, 649,806,179.64 and 259,180,084.46 is: 357,665,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,780.08 : 649,806,179.64 = 259,180,084.46 : x
  2. Step 2: Convert to fraction form
    470,877,780.08/649,806,179.64 = 259,180,084.46/x
  3. Step 3: Cross multiply
    470,877,780.08x = 649,806,179.64 × 259,180,084.46
  4. Step 4: Simplify right side
    470,877,780.08x = 168,416,820,521,725,120
  5. Step 5: Solve for x
    x = 168,416,820,521,725,120/470,877,780.08
  6. Step 6: Final answer
    x = 357,665,678.12

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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.