Home / 479,260,425,504.80-661,400,177,168.52-265,404,315,576.72

Finding the Fourth Proportional to 479,260,425,504.80, 661,400,177,168.52 and 265,404,315,576.72

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Solution

The fourth proportional to 479,260,425,504.80, 661,400,177,168.52 and 265,404,315,576.72 is: 366,269,468,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,504.80 : 661,400,177,168.52 = 265,404,315,576.72 : x
  2. Step 2: Convert to fraction form
    479,260,425,504.80/661,400,177,168.52 = 265,404,315,576.72/x
  3. Step 3: Cross multiply
    479,260,425,504.80x = 661,400,177,168.52 × 265,404,315,576.72
  4. Step 4: Simplify right side
    479,260,425,504.80x = 175,538,461,343,732,390,166,528
  5. Step 5: Solve for x
    x = 175,538,461,343,732,390,166,528/479,260,425,504.80
  6. Step 6: Final answer
    x = 366,269,468,543.83

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1.5x scale

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.