Home / 6,599,853,637.20-9,899,780,455.80-3,978,308,328.30

Finding the Fourth Proportional to 6,599,853,637.20, 9,899,780,455.80 and 3,978,308,328.30

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Solution

The fourth proportional to 6,599,853,637.20, 9,899,780,455.80 and 3,978,308,328.30 is: 5,967,462,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599,853,637.20 : 9,899,780,455.80 = 3,978,308,328.30 : x
  2. Step 2: Convert to fraction form
    6,599,853,637.20/9,899,780,455.80 = 3,978,308,328.30/x
  3. Step 3: Cross multiply
    6,599,853,637.20x = 9,899,780,455.80 × 3,978,308,328.30
  4. Step 4: Simplify right side
    6,599,853,637.20x = 39,384,379,035,650,711,552
  5. Step 5: Solve for x
    x = 39,384,379,035,650,711,552/6,599,853,637.20
  6. Step 6: Final answer
    x = 5,967,462,492.45

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1.5x scale

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.