Home / 3,078,237,667.50-4,247,854,176.33-1,668,511,363.14

Finding the Fourth Proportional to 3,078,237,667.50, 4,247,854,176.33 and 1,668,511,363.14

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Solution

The fourth proportional to 3,078,237,667.50, 4,247,854,176.33 and 1,668,511,363.14 is: 2,302,483,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,667.50 : 4,247,854,176.33 = 1,668,511,363.14 : x
  2. Step 2: Convert to fraction form
    3,078,237,667.50/4,247,854,176.33 = 1,668,511,363.14/x
  3. Step 3: Cross multiply
    3,078,237,667.50x = 4,247,854,176.33 × 1,668,511,363.14
  4. Step 4: Simplify right side
    3,078,237,667.50x = 7,087,592,962,168,310,784
  5. Step 5: Solve for x
    x = 7,087,592,962,168,310,784/3,078,237,667.50
  6. Step 6: Final answer
    x = 2,302,483,994.98

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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.