Home / 1,167,839,737.35-1,611,623,749.08-631,991,427.64

Finding the Fourth Proportional to 1,167,839,737.35, 1,611,623,749.08 and 631,991,427.64

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Solution

The fourth proportional to 1,167,839,737.35, 1,611,623,749.08 and 631,991,427.64 is: 872,150,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,839,737.35 : 1,611,623,749.08 = 631,991,427.64 : x
  2. Step 2: Convert to fraction form
    1,167,839,737.35/1,611,623,749.08 = 631,991,427.64/x
  3. Step 3: Cross multiply
    1,167,839,737.35x = 1,611,623,749.08 × 631,991,427.64
  4. Step 4: Simplify right side
    1,167,839,737.35x = 1,018,532,393,993,653,376
  5. Step 5: Solve for x
    x = 1,018,532,393,993,653,376/1,167,839,737.35
  6. Step 6: Final answer
    x = 872,150,828.08

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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.