Home / 5,353,052,410.30-7,387,411,690.78-3,210,007,978.28

Finding the Fourth Proportional to 5,353,052,410.30, 7,387,411,690.78 and 3,210,007,978.28

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Solution

The fourth proportional to 5,353,052,410.30, 7,387,411,690.78 and 3,210,007,978.28 is: 4,429,930,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,052,410.30 : 7,387,411,690.78 = 3,210,007,978.28 : x
  2. Step 2: Convert to fraction form
    5,353,052,410.30/7,387,411,690.78 = 3,210,007,978.28/x
  3. Step 3: Cross multiply
    5,353,052,410.30x = 7,387,411,690.78 × 3,210,007,978.28
  4. Step 4: Simplify right side
    5,353,052,410.30x = 23,713,650,466,242,744,320
  5. Step 5: Solve for x
    x = 23,713,650,466,242,744,320/5,353,052,410.30
  6. Step 6: Final answer
    x = 4,429,930,560.85

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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.