Home / 2,911,041,270.72-4,365,918,951.84-840,313,068.48

Finding the Fourth Proportional to 2,911,041,270.72, 4,365,918,951.84 and 840,313,068.48

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Solution

The fourth proportional to 2,911,041,270.72, 4,365,918,951.84 and 840,313,068.48 is: 1,260,284,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,041,270.72 : 4,365,918,951.84 = 840,313,068.48 : x
  2. Step 2: Convert to fraction form
    2,911,041,270.72/4,365,918,951.84 = 840,313,068.48/x
  3. Step 3: Cross multiply
    2,911,041,270.72x = 4,365,918,951.84 × 840,313,068.48
  4. Step 4: Simplify right side
    2,911,041,270.72x = 3,668,738,751,155,656,192
  5. Step 5: Solve for x
    x = 3,668,738,751,155,656,192/2,911,041,270.72
  6. Step 6: Final answer
    x = 1,260,284,004.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.