Home / 387,072,054.40-580,608,081.60-144,703,465.60

Finding the Fourth Proportional to 387,072,054.40, 580,608,081.60 and 144,703,465.60

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Solution

The fourth proportional to 387,072,054.40, 580,608,081.60 and 144,703,465.60 is: 217,055,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,054.40 : 580,608,081.60 = 144,703,465.60 : x
  2. Step 2: Convert to fraction form
    387,072,054.40/580,608,081.60 = 144,703,465.60/x
  3. Step 3: Cross multiply
    387,072,054.40x = 580,608,081.60 × 144,703,465.60
  4. Step 4: Simplify right side
    387,072,054.40x = 84,016,001,562,887,600
  5. Step 5: Solve for x
    x = 84,016,001,562,887,600/387,072,054.40
  6. Step 6: Final answer
    x = 217,055,198.40

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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.