Home / 864,878,631,485.85-1,296,409,810,167.10-290,995,507,434.96

Finding the Fourth Proportional to 864,878,631,485.85, 1,296,409,810,167.10 and 290,995,507,434.96

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Solution

The fourth proportional to 864,878,631,485.85, 1,296,409,810,167.10 and 290,995,507,434.96 is: 436,187,710,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,878,631,485.85 : 1,296,409,810,167.10 = 290,995,507,434.96 : x
  2. Step 2: Convert to fraction form
    864,878,631,485.85/1,296,409,810,167.10 = 290,995,507,434.96/x
  3. Step 3: Cross multiply
    864,878,631,485.85x = 1,296,409,810,167.10 × 290,995,507,434.96
  4. Step 4: Simplify right side
    864,878,631,485.85x = 377,249,430,553,235,487,195,136
  5. Step 5: Solve for x
    x = 377,249,430,553,235,487,195,136/864,878,631,485.85
  6. Step 6: Final answer
    x = 436,187,710,991.46

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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.