Home / 50,683,478,490.72-69,911,385,688.08-30,069,073,720.80

Finding the Fourth Proportional to 50,683,478,490.72, 69,911,385,688.08 and 30,069,073,720.80

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Solution

The fourth proportional to 50,683,478,490.72, 69,911,385,688.08 and 30,069,073,720.80 is: 41,476,447,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,683,478,490.72 : 69,911,385,688.08 = 30,069,073,720.80 : x
  2. Step 2: Convert to fraction form
    50,683,478,490.72/69,911,385,688.08 = 30,069,073,720.80/x
  3. Step 3: Cross multiply
    50,683,478,490.72x = 69,911,385,688.08 × 30,069,073,720.80
  4. Step 4: Simplify right side
    50,683,478,490.72x = 2,102,170,610,178,159,542,272
  5. Step 5: Solve for x
    x = 2,102,170,610,178,159,542,272/50,683,478,490.72
  6. Step 6: Final answer
    x = 41,476,447,015.43

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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.