Home / 7,208,817,938.82-10,816,334,336.30-3,891,973,953.65

Finding the Fourth Proportional to 7,208,817,938.82, 10,816,334,336.30 and 3,891,973,953.65

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Solution

The fourth proportional to 7,208,817,938.82, 10,816,334,336.30 and 3,891,973,953.65 is: 5,839,638,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,817,938.82 : 10,816,334,336.30 = 3,891,973,953.65 : x
  2. Step 2: Convert to fraction form
    7,208,817,938.82/10,816,334,336.30 = 3,891,973,953.65/x
  3. Step 3: Cross multiply
    7,208,817,938.82x = 10,816,334,336.30 × 3,891,973,953.65
  4. Step 4: Simplify right side
    7,208,817,938.82x = 42,096,891,510,816,243,712
  5. Step 5: Solve for x
    x = 42,096,891,510,816,243,712/7,208,817,938.82
  6. Step 6: Final answer
    x = 5,839,638,602.07

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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.