Home / 21,709,955,216.40-32,564,932,824.60-9,289,541,317.20

Finding the Fourth Proportional to 21,709,955,216.40, 32,564,932,824.60 and 9,289,541,317.20

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Solution

The fourth proportional to 21,709,955,216.40, 32,564,932,824.60 and 9,289,541,317.20 is: 13,934,311,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709,955,216.40 : 32,564,932,824.60 = 9,289,541,317.20 : x
  2. Step 2: Convert to fraction form
    21,709,955,216.40/32,564,932,824.60 = 9,289,541,317.20/x
  3. Step 3: Cross multiply
    21,709,955,216.40x = 32,564,932,824.60 × 9,289,541,317.20
  4. Step 4: Simplify right side
    21,709,955,216.40x = 302,513,288,965,964,234,752
  5. Step 5: Solve for x
    x = 302,513,288,965,964,234,752/21,709,955,216.40
  6. Step 6: Final answer
    x = 13,934,311,975.80

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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.