Home / 3,078,237,614.06-4,247,854,102.55-1,668,511,309.74

Finding the Fourth Proportional to 3,078,237,614.06, 4,247,854,102.55 and 1,668,511,309.74

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Solution

The fourth proportional to 3,078,237,614.06, 4,247,854,102.55 and 1,668,511,309.74 is: 2,302,483,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,614.06 : 4,247,854,102.55 = 1,668,511,309.74 : x
  2. Step 2: Convert to fraction form
    3,078,237,614.06/4,247,854,102.55 = 1,668,511,309.74/x
  3. Step 3: Cross multiply
    3,078,237,614.06x = 4,247,854,102.55 × 1,668,511,309.74
  4. Step 4: Simplify right side
    3,078,237,614.06x = 7,087,592,612,234,303,488
  5. Step 5: Solve for x
    x = 7,087,592,612,234,303,488/3,078,237,614.06
  6. Step 6: Final answer
    x = 2,302,483,921.28

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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.