Home / 5,290,662,747.92-7,300,980,217.76-2,879,242,736.88

Finding the Fourth Proportional to 5,290,662,747.92, 7,300,980,217.76 and 2,879,242,736.88

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Solution

The fourth proportional to 5,290,662,747.92, 7,300,980,217.76 and 2,879,242,736.88 is: 3,973,281,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,662,747.92 : 7,300,980,217.76 = 2,879,242,736.88 : x
  2. Step 2: Convert to fraction form
    5,290,662,747.92/7,300,980,217.76 = 2,879,242,736.88/x
  3. Step 3: Cross multiply
    5,290,662,747.92x = 7,300,980,217.76 × 2,879,242,736.88
  4. Step 4: Simplify right side
    5,290,662,747.92x = 21,021,294,264,090,042,368
  5. Step 5: Solve for x
    x = 21,021,294,264,090,042,368/5,290,662,747.92
  6. Step 6: Final answer
    x = 3,973,281,848.74

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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.