Home / 439,795,514.40-659,693,271.60-429,717,818.40

Finding the Fourth Proportional to 439,795,514.40, 659,693,271.60 and 429,717,818.40

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Solution

The fourth proportional to 439,795,514.40, 659,693,271.60 and 429,717,818.40 is: 644,576,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,795,514.40 : 659,693,271.60 = 429,717,818.40 : x
  2. Step 2: Convert to fraction form
    439,795,514.40/659,693,271.60 = 429,717,818.40/x
  3. Step 3: Cross multiply
    439,795,514.40x = 659,693,271.60 × 429,717,818.40
  4. Step 4: Simplify right side
    439,795,514.40x = 283,481,953,485,110,656
  5. Step 5: Solve for x
    x = 283,481,953,485,110,656/439,795,514.40
  6. Step 6: Final answer
    x = 644,576,727.60

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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.