Home / 3,078,237,554.81-4,247,854,020.78-1,668,511,250.49

Finding the Fourth Proportional to 3,078,237,554.81, 4,247,854,020.78 and 1,668,511,250.49

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Solution

The fourth proportional to 3,078,237,554.81, 4,247,854,020.78 and 1,668,511,250.49 is: 2,302,483,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,554.81 : 4,247,854,020.78 = 1,668,511,250.49 : x
  2. Step 2: Convert to fraction form
    3,078,237,554.81/4,247,854,020.78 = 1,668,511,250.49/x
  3. Step 3: Cross multiply
    3,078,237,554.81x = 4,247,854,020.78 × 1,668,511,250.49
  4. Step 4: Simplify right side
    3,078,237,554.81x = 7,087,592,224,110,612,480
  5. Step 5: Solve for x
    x = 7,087,592,224,110,612,480/3,078,237,554.81
  6. Step 6: Final answer
    x = 2,302,483,839.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.