Home / 470,877,834.78-649,806,255.15-259,180,139.32

Finding the Fourth Proportional to 470,877,834.78, 649,806,255.15 and 259,180,139.32

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Solution

The fourth proportional to 470,877,834.78, 649,806,255.15 and 259,180,139.32 is: 357,665,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,834.78 : 649,806,255.15 = 259,180,139.32 : x
  2. Step 2: Convert to fraction form
    470,877,834.78/649,806,255.15 = 259,180,139.32/x
  3. Step 3: Cross multiply
    470,877,834.78x = 649,806,255.15 × 259,180,139.32
  4. Step 4: Simplify right side
    470,877,834.78x = 168,416,875,740,784,448
  5. Step 5: Solve for x
    x = 168,416,875,740,784,448/470,877,834.78
  6. Step 6: Final answer
    x = 357,665,753.84

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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.