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Finding the Fourth Proportional to 2,007,946,806.40, 3,011,920,209.60 and 2,007,946,806.40

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Solution

The fourth proportional to 2,007,946,806.40, 3,011,920,209.60 and 2,007,946,806.40 is: 3,011,920,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,946,806.40 : 3,011,920,209.60 = 2,007,946,806.40 : x
  2. Step 2: Convert to fraction form
    2,007,946,806.40/3,011,920,209.60 = 2,007,946,806.40/x
  3. Step 3: Cross multiply
    2,007,946,806.40x = 3,011,920,209.60 × 2,007,946,806.40
  4. Step 4: Simplify right side
    2,007,946,806.40x = 6,047,775,565,997,938,688
  5. Step 5: Solve for x
    x = 6,047,775,565,997,938,688/2,007,946,806.40
  6. Step 6: Final answer
    x = 3,011,920,209.60

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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.