Home / 864,075,431.96-1,295,966,959.53-242,147,526.38

Finding the Fourth Proportional to 864,075,431.96, 1,295,966,959.53 and 242,147,526.38

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Solution

The fourth proportional to 864,075,431.96, 1,295,966,959.53 and 242,147,526.38 is: 363,180,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,075,431.96 : 1,295,966,959.53 = 242,147,526.38 : x
  2. Step 2: Convert to fraction form
    864,075,431.96/1,295,966,959.53 = 242,147,526.38/x
  3. Step 3: Cross multiply
    864,075,431.96x = 1,295,966,959.53 × 242,147,526.38
  4. Step 4: Simplify right side
    864,075,431.96x = 313,815,193,519,478,912
  5. Step 5: Solve for x
    x = 313,815,193,519,478,912/864,075,431.96
  6. Step 6: Final answer
    x = 363,180,321.90

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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.