Home / 21,559,379,943.60-29,709,563,378.40-16,484,493,946.32

Finding the Fourth Proportional to 21,559,379,943.60, 29,709,563,378.40 and 16,484,493,946.32

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Solution

The fourth proportional to 21,559,379,943.60, 29,709,563,378.40 and 16,484,493,946.32 is: 22,716,196,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,379,943.60 : 29,709,563,378.40 = 16,484,493,946.32 : x
  2. Step 2: Convert to fraction form
    21,559,379,943.60/29,709,563,378.40 = 16,484,493,946.32/x
  3. Step 3: Cross multiply
    21,559,379,943.60x = 29,709,563,378.40 × 16,484,493,946.32
  4. Step 4: Simplify right side
    21,559,379,943.60x = 489,747,117,659,045,167,104
  5. Step 5: Solve for x
    x = 489,747,117,659,045,167,104/21,559,379,943.60
  6. Step 6: Final answer
    x = 22,716,196,798.81

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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.