Home / 549,504,006.40-824,256,009.60-331,825,772.80

Finding the Fourth Proportional to 549,504,006.40, 824,256,009.60 and 331,825,772.80

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Solution

The fourth proportional to 549,504,006.40, 824,256,009.60 and 331,825,772.80 is: 497,738,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,504,006.40 : 824,256,009.60 = 331,825,772.80 : x
  2. Step 2: Convert to fraction form
    549,504,006.40/824,256,009.60 = 331,825,772.80/x
  3. Step 3: Cross multiply
    549,504,006.40x = 824,256,009.60 × 331,825,772.80
  4. Step 4: Simplify right side
    549,504,006.40x = 273,509,387,370,564,224
  5. Step 5: Solve for x
    x = 273,509,387,370,564,224/549,504,006.40
  6. Step 6: Final answer
    x = 497,738,659.20

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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.