Home / 479,729,991,396.33-719,594,943,397.60-211,118,971,507.61

Finding the Fourth Proportional to 479,729,991,396.33, 719,594,943,397.60 and 211,118,971,507.61

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Solution

The fourth proportional to 479,729,991,396.33, 719,594,943,397.60 and 211,118,971,507.61 is: 316,678,438,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729,991,396.33 : 719,594,943,397.60 = 211,118,971,507.61 : x
  2. Step 2: Convert to fraction form
    479,729,991,396.33/719,594,943,397.60 = 211,118,971,507.61/x
  3. Step 3: Cross multiply
    479,729,991,396.33x = 719,594,943,397.60 × 211,118,971,507.61
  4. Step 4: Simplify right side
    479,729,991,396.33x = 151,920,144,352,178,134,319,104
  5. Step 5: Solve for x
    x = 151,920,144,352,178,134,319,104/479,729,991,396.33
  6. Step 6: Final answer
    x = 316,678,438,031.34

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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.