Home / 1,238,955,450.65-1,858,494,929.34-353,772,097.55

Finding the Fourth Proportional to 1,238,955,450.65, 1,858,494,929.34 and 353,772,097.55

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Solution

The fourth proportional to 1,238,955,450.65, 1,858,494,929.34 and 353,772,097.55 is: 530,675,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,955,450.65 : 1,858,494,929.34 = 353,772,097.55 : x
  2. Step 2: Convert to fraction form
    1,238,955,450.65/1,858,494,929.34 = 353,772,097.55/x
  3. Step 3: Cross multiply
    1,238,955,450.65x = 1,858,494,929.34 × 353,772,097.55
  4. Step 4: Simplify right side
    1,238,955,450.65x = 657,483,649,438,650,880
  5. Step 5: Solve for x
    x = 657,483,649,438,650,880/1,238,955,450.65
  6. Step 6: Final answer
    x = 530,675,779.42

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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.