Home / 20,576,484,477.77-30,866,214,303.52-8,612,704,497.08

Finding the Fourth Proportional to 20,576,484,477.77, 30,866,214,303.52 and 8,612,704,497.08

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Solution

The fourth proportional to 20,576,484,477.77, 30,866,214,303.52 and 8,612,704,497.08 is: 12,919,679,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576,484,477.77 : 30,866,214,303.52 = 8,612,704,497.08 : x
  2. Step 2: Convert to fraction form
    20,576,484,477.77/30,866,214,303.52 = 8,612,704,497.08/x
  3. Step 3: Cross multiply
    20,576,484,477.77x = 30,866,214,303.52 × 8,612,704,497.08
  4. Step 4: Simplify right side
    20,576,484,477.77x = 265,841,582,739,590,217,728
  5. Step 5: Solve for x
    x = 265,841,582,739,590,217,728/20,576,484,477.77
  6. Step 6: Final answer
    x = 12,919,679,405.23

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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.