Home / 313,632,375.60-470,448,563.40-301,728,097.20

Finding the Fourth Proportional to 313,632,375.60, 470,448,563.40 and 301,728,097.20

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Solution

The fourth proportional to 313,632,375.60, 470,448,563.40 and 301,728,097.20 is: 452,592,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,632,375.60 : 470,448,563.40 = 301,728,097.20 : x
  2. Step 2: Convert to fraction form
    313,632,375.60/470,448,563.40 = 301,728,097.20/x
  3. Step 3: Cross multiply
    313,632,375.60x = 470,448,563.40 × 301,728,097.20
  4. Step 4: Simplify right side
    313,632,375.60x = 141,947,549,865,155,552
  5. Step 5: Solve for x
    x = 141,947,549,865,155,552/313,632,375.60
  6. Step 6: Final answer
    x = 452,592,145.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.