Home / 20,171,586,653.96-30,233,307,420.30-9,388,357,619.72

Finding the Fourth Proportional to 20,171,586,653.96, 30,233,307,420.30 and 9,388,357,619.72

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Solution

The fourth proportional to 20,171,586,653.96, 30,233,307,420.30 and 9,388,357,619.72 is: 14,071,332,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,586,653.96 : 30,233,307,420.30 = 9,388,357,619.72 : x
  2. Step 2: Convert to fraction form
    20,171,586,653.96/30,233,307,420.30 = 9,388,357,619.72/x
  3. Step 3: Cross multiply
    20,171,586,653.96x = 30,233,307,420.30 × 9,388,357,619.72
  4. Step 4: Simplify right side
    20,171,586,653.96x = 283,841,102,088,710,684,672
  5. Step 5: Solve for x
    x = 283,841,102,088,710,684,672/20,171,586,653.96
  6. Step 6: Final answer
    x = 14,071,332,461.74

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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.