Home / 3,779,885,323.84-5,669,666,453.88-1,292,968,629.40

Finding the Fourth Proportional to 3,779,885,323.84, 5,669,666,453.88 and 1,292,968,629.40

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Solution

The fourth proportional to 3,779,885,323.84, 5,669,666,453.88 and 1,292,968,629.40 is: 1,939,397,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,885,323.84 : 5,669,666,453.88 = 1,292,968,629.40 : x
  2. Step 2: Convert to fraction form
    3,779,885,323.84/5,669,666,453.88 = 1,292,968,629.40/x
  3. Step 3: Cross multiply
    3,779,885,323.84x = 5,669,666,453.88 × 1,292,968,629.40
  4. Step 4: Simplify right side
    3,779,885,323.84x = 7,330,700,864,028,382,208
  5. Step 5: Solve for x
    x = 7,330,700,864,028,382,208/3,779,885,323.84
  6. Step 6: Final answer
    x = 1,939,397,689.61

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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.