Home / 479,729,991,398.33-719,594,943,400.60-211,118,971,509.61

Finding the Fourth Proportional to 479,729,991,398.33, 719,594,943,400.60 and 211,118,971,509.61

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Solution

The fourth proportional to 479,729,991,398.33, 719,594,943,400.60 and 211,118,971,509.61 is: 316,678,438,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729,991,398.33 : 719,594,943,400.60 = 211,118,971,509.61 : x
  2. Step 2: Convert to fraction form
    479,729,991,398.33/719,594,943,400.60 = 211,118,971,509.61/x
  3. Step 3: Cross multiply
    479,729,991,398.33x = 719,594,943,400.60 × 211,118,971,509.61
  4. Step 4: Simplify right side
    479,729,991,398.33x = 151,920,144,354,250,690,920,448
  5. Step 5: Solve for x
    x = 151,920,144,354,250,690,920,448/479,729,991,398.33
  6. Step 6: Final answer
    x = 316,678,438,034.34

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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.