Home / 6,720,111,150.29-9,273,754,295.09-3,709,364,420.42

Finding the Fourth Proportional to 6,720,111,150.29, 9,273,754,295.09 and 3,709,364,420.42

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Solution

The fourth proportional to 6,720,111,150.29, 9,273,754,295.09 and 3,709,364,420.42 is: 5,118,923,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,111,150.29 : 9,273,754,295.09 = 3,709,364,420.42 : x
  2. Step 2: Convert to fraction form
    6,720,111,150.29/9,273,754,295.09 = 3,709,364,420.42/x
  3. Step 3: Cross multiply
    6,720,111,150.29x = 9,273,754,295.09 × 3,709,364,420.42
  4. Step 4: Simplify right side
    6,720,111,150.29x = 34,399,734,225,970,741,248
  5. Step 5: Solve for x
    x = 34,399,734,225,970,741,248/6,720,111,150.29
  6. Step 6: Final answer
    x = 5,118,923,401.21

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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.