Home / 3,078,237,662.74-4,247,854,169.61-1,668,511,358.50

Finding the Fourth Proportional to 3,078,237,662.74, 4,247,854,169.61 and 1,668,511,358.50

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Solution

The fourth proportional to 3,078,237,662.74, 4,247,854,169.61 and 1,668,511,358.50 is: 2,302,483,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,662.74 : 4,247,854,169.61 = 1,668,511,358.50 : x
  2. Step 2: Convert to fraction form
    3,078,237,662.74/4,247,854,169.61 = 1,668,511,358.50/x
  3. Step 3: Cross multiply
    3,078,237,662.74x = 4,247,854,169.61 × 1,668,511,358.50
  4. Step 4: Simplify right side
    3,078,237,662.74x = 7,087,592,931,245,871,104
  5. Step 5: Solve for x
    x = 7,087,592,931,245,871,104/3,078,237,662.74
  6. Step 6: Final answer
    x = 2,302,483,988.50

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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.