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Finding the Fourth Proportional to 1,409,300,466.40, 2,109,919,621.20 and 1,409,300,466.40

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Solution

The fourth proportional to 1,409,300,466.40, 2,109,919,621.20 and 1,409,300,466.40 is: 2,109,919,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,300,466.40 : 2,109,919,621.20 = 1,409,300,466.40 : x
  2. Step 2: Convert to fraction form
    1,409,300,466.40/2,109,919,621.20 = 1,409,300,466.40/x
  3. Step 3: Cross multiply
    1,409,300,466.40x = 2,109,919,621.20 × 1,409,300,466.40
  4. Step 4: Simplify right side
    1,409,300,466.40x = 2,973,510,706,223,671,808
  5. Step 5: Solve for x
    x = 2,973,510,706,223,671,808/1,409,300,466.40
  6. Step 6: Final answer
    x = 2,109,919,621.20

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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.