Home / 479,260,425,485.03-661,400,177,141.30-265,404,315,557.02

Finding the Fourth Proportional to 479,260,425,485.03, 661,400,177,141.30 and 265,404,315,557.02

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Solution

The fourth proportional to 479,260,425,485.03, 661,400,177,141.30 and 265,404,315,557.02 is: 366,269,468,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,485.03 : 661,400,177,141.30 = 265,404,315,557.02 : x
  2. Step 2: Convert to fraction form
    479,260,425,485.03/661,400,177,141.30 = 265,404,315,557.02/x
  3. Step 3: Cross multiply
    479,260,425,485.03x = 661,400,177,141.30 × 265,404,315,557.02
  4. Step 4: Simplify right side
    479,260,425,485.03x = 175,538,461,323,478,532,358,144
  5. Step 5: Solve for x
    x = 175,538,461,323,478,532,358,144/479,260,425,485.03
  6. Step 6: Final answer
    x = 366,269,468,516.68

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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.