Home / 790,926,961.49-1,185,559,955.66-266,113,862.22

Finding the Fourth Proportional to 790,926,961.49, 1,185,559,955.66 and 266,113,862.22

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Solution

The fourth proportional to 790,926,961.49, 1,185,559,955.66 and 266,113,862.22 is: 398,891,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,926,961.49 : 1,185,559,955.66 = 266,113,862.22 : x
  2. Step 2: Convert to fraction form
    790,926,961.49/1,185,559,955.66 = 266,113,862.22/x
  3. Step 3: Cross multiply
    790,926,961.49x = 1,185,559,955.66 × 266,113,862.22
  4. Step 4: Simplify right side
    790,926,961.49x = 315,493,938,689,289,344
  5. Step 5: Solve for x
    x = 315,493,938,689,289,344/790,926,961.49
  6. Step 6: Final answer
    x = 398,891,369.31

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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.