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Finding the Fourth Proportional to 2,391,909,969.40, 3,587,864,954.10 and 2,391,909,969.40

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Solution

The fourth proportional to 2,391,909,969.40, 3,587,864,954.10 and 2,391,909,969.40 is: 3,587,864,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,909,969.40 : 3,587,864,954.10 = 2,391,909,969.40 : x
  2. Step 2: Convert to fraction form
    2,391,909,969.40/3,587,864,954.10 = 2,391,909,969.40/x
  3. Step 3: Cross multiply
    2,391,909,969.40x = 3,587,864,954.10 × 2,391,909,969.40
  4. Step 4: Simplify right side
    2,391,909,969.40x = 8,581,849,952,572,663,808
  5. Step 5: Solve for x
    x = 8,581,849,952,572,663,808/2,391,909,969.40
  6. Step 6: Final answer
    x = 3,587,864,954.10

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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.