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Finding the Fourth Proportional to 30,168,208,049.60, 45,252,312,074.40 and 30,168,208,049.60

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Solution

The fourth proportional to 30,168,208,049.60, 45,252,312,074.40 and 30,168,208,049.60 is: 45,252,312,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168,208,049.60 : 45,252,312,074.40 = 30,168,208,049.60 : x
  2. Step 2: Convert to fraction form
    30,168,208,049.60/45,252,312,074.40 = 30,168,208,049.60/x
  3. Step 3: Cross multiply
    30,168,208,049.60x = 45,252,312,074.40 × 30,168,208,049.60
  4. Step 4: Simplify right side
    30,168,208,049.60x = 1,365,181,165,385,925,263,360
  5. Step 5: Solve for x
    x = 1,365,181,165,385,925,263,360/30,168,208,049.60
  6. Step 6: Final answer
    x = 45,252,312,074.40

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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.