Home / 864,878,631,384.70-1,296,409,810,015.40-290,995,507,333.80

Finding the Fourth Proportional to 864,878,631,384.70, 1,296,409,810,015.40 and 290,995,507,333.80

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Solution

The fourth proportional to 864,878,631,384.70, 1,296,409,810,015.40 and 290,995,507,333.80 is: 436,187,710,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,878,631,384.70 : 1,296,409,810,015.40 = 290,995,507,333.80 : x
  2. Step 2: Convert to fraction form
    864,878,631,384.70/1,296,409,810,015.40 = 290,995,507,333.80/x
  3. Step 3: Cross multiply
    864,878,631,384.70x = 1,296,409,810,015.40 × 290,995,507,333.80
  4. Step 4: Simplify right side
    864,878,631,384.70x = 377,249,430,377,946,530,447,360
  5. Step 5: Solve for x
    x = 377,249,430,377,946,530,447,360/864,878,631,384.70
  6. Step 6: Final answer
    x = 436,187,710,839.79

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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.