Home / 52,140,291,552.45-78,210,437,328.68-12,881,682,000.45

Finding the Fourth Proportional to 52,140,291,552.45, 78,210,437,328.68 and 12,881,682,000.45

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Solution

The fourth proportional to 52,140,291,552.45, 78,210,437,328.68 and 12,881,682,000.45 is: 19,322,523,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140,291,552.45 : 78,210,437,328.68 = 12,881,682,000.45 : x
  2. Step 2: Convert to fraction form
    52,140,291,552.45/78,210,437,328.68 = 12,881,682,000.45/x
  3. Step 3: Cross multiply
    52,140,291,552.45x = 78,210,437,328.68 × 12,881,682,000.45
  4. Step 4: Simplify right side
    52,140,291,552.45x = 1,007,481,982,784,115,572,736
  5. Step 5: Solve for x
    x = 1,007,481,982,784,115,572,736/52,140,291,552.45
  6. Step 6: Final answer
    x = 19,322,523,000.68

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Double scale
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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.