Home / 473,344,449.60-709,533,784.80-320,006,006.40

Finding the Fourth Proportional to 473,344,449.60, 709,533,784.80 and 320,006,006.40

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Solution

The fourth proportional to 473,344,449.60, 709,533,784.80 and 320,006,006.40 is: 479,682,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,344,449.60 : 709,533,784.80 = 320,006,006.40 : x
  2. Step 2: Convert to fraction form
    473,344,449.60/709,533,784.80 = 320,006,006.40/x
  3. Step 3: Cross multiply
    473,344,449.60x = 709,533,784.80 × 320,006,006.40
  4. Step 4: Simplify right side
    473,344,449.60x = 227,055,072,879,724,992
  5. Step 5: Solve for x
    x = 227,055,072,879,724,992/473,344,449.60
  6. Step 6: Final answer
    x = 479,682,550.56

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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.