Home / 7,213,122,232,817.50-9,954,115,095,406.30-3,920,870,062,423.40

Finding the Fourth Proportional to 7,213,122,232,817.50, 9,954,115,095,406.30 and 3,920,870,062,423.40

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Solution

The fourth proportional to 7,213,122,232,817.50, 9,954,115,095,406.30 and 3,920,870,062,423.40 is: 5,410,804,172,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,122,232,817.50 : 9,954,115,095,406.30 = 3,920,870,062,423.40 : x
  2. Step 2: Convert to fraction form
    7,213,122,232,817.50/9,954,115,095,406.30 = 3,920,870,062,423.40/x
  3. Step 3: Cross multiply
    7,213,122,232,817.50x = 9,954,115,095,406.30 × 3,920,870,062,423.40
  4. Step 4: Simplify right side
    7,213,122,232,817.50x = 39,028,791,875,495,410,368,774,144
  5. Step 5: Solve for x
    x = 39,028,791,875,495,410,368,774,144/7,213,122,232,817.50
  6. Step 6: Final answer
    x = 5,410,804,172,696.03

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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.