Home / 5,132,668,563-7,081,868,110.23-2,905,000,816.86

Finding the Fourth Proportional to 5,132,668,563, 7,081,868,110.23 and 2,905,000,816.86

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Solution

The fourth proportional to 5,132,668,563, 7,081,868,110.23 and 2,905,000,816.86 is: 4,008,213,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132,668,563 : 7,081,868,110.23 = 2,905,000,816.86 : x
  2. Step 2: Convert to fraction form
    5,132,668,563/7,081,868,110.23 = 2,905,000,816.86/x
  3. Step 3: Cross multiply
    5,132,668,563x = 7,081,868,110.23 × 2,905,000,816.86
  4. Step 4: Simplify right side
    5,132,668,563x = 20,572,832,645,112,934,400
  5. Step 5: Solve for x
    x = 20,572,832,645,112,934,400/5,132,668,563
  6. Step 6: Final answer
    x = 4,008,213,737.67

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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.