Home / 864,878,631,297.15-1,296,409,809,883.80-290,995,507,245.85

Finding the Fourth Proportional to 864,878,631,297.15, 1,296,409,809,883.80 and 290,995,507,245.85

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Solution

The fourth proportional to 864,878,631,297.15, 1,296,409,809,883.80 and 290,995,507,245.85 is: 436,187,710,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,878,631,297.15 : 1,296,409,809,883.80 = 290,995,507,245.85 : x
  2. Step 2: Convert to fraction form
    864,878,631,297.15/1,296,409,809,883.80 = 290,995,507,245.85/x
  3. Step 3: Cross multiply
    864,878,631,297.15x = 1,296,409,809,883.80 × 290,995,507,245.85
  4. Step 4: Simplify right side
    864,878,631,297.15x = 377,249,430,225,632,293,289,984
  5. Step 5: Solve for x
    x = 377,249,430,225,632,293,289,984/864,878,631,297.15
  6. Step 6: Final answer
    x = 436,187,710,707.84

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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.