Home / 7,208,817,938.73-10,816,334,336.15-3,891,973,953.56

Finding the Fourth Proportional to 7,208,817,938.73, 10,816,334,336.15 and 3,891,973,953.56

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Solution

The fourth proportional to 7,208,817,938.73, 10,816,334,336.15 and 3,891,973,953.56 is: 5,839,638,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,817,938.73 : 10,816,334,336.15 = 3,891,973,953.56 : x
  2. Step 2: Convert to fraction form
    7,208,817,938.73/10,816,334,336.15 = 3,891,973,953.56/x
  3. Step 3: Cross multiply
    7,208,817,938.73x = 10,816,334,336.15 × 3,891,973,953.56
  4. Step 4: Simplify right side
    7,208,817,938.73x = 42,096,891,509,253,971,968
  5. Step 5: Solve for x
    x = 42,096,891,509,253,971,968/7,208,817,938.73
  6. Step 6: Final answer
    x = 5,839,638,601.92

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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.