Home / 3,078,237,560.76-4,247,854,029-1,668,511,256.40

Finding the Fourth Proportional to 3,078,237,560.76, 4,247,854,029 and 1,668,511,256.40

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Solution

The fourth proportional to 3,078,237,560.76, 4,247,854,029 and 1,668,511,256.40 is: 2,302,483,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,560.76 : 4,247,854,029 = 1,668,511,256.40 : x
  2. Step 2: Convert to fraction form
    3,078,237,560.76/4,247,854,029 = 1,668,511,256.40/x
  3. Step 3: Cross multiply
    3,078,237,560.76x = 4,247,854,029 × 1,668,511,256.40
  4. Step 4: Simplify right side
    3,078,237,560.76x = 7,087,592,262,930,592,768
  5. Step 5: Solve for x
    x = 7,087,592,262,930,592,768/3,078,237,560.76
  6. Step 6: Final answer
    x = 2,302,483,847.67

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Double scale
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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.