Home / 1,237,529,777,922.10-1,707,791,175,656.90-688,809,307,036.30

Finding the Fourth Proportional to 1,237,529,777,922.10, 1,707,791,175,656.90 and 688,809,307,036.30

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Solution

The fourth proportional to 1,237,529,777,922.10, 1,707,791,175,656.90 and 688,809,307,036.30 is: 950,556,889,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,529,777,922.10 : 1,707,791,175,656.90 = 688,809,307,036.30 : x
  2. Step 2: Convert to fraction form
    1,237,529,777,922.10/1,707,791,175,656.90 = 688,809,307,036.30/x
  3. Step 3: Cross multiply
    1,237,529,777,922.10x = 1,707,791,175,656.90 × 688,809,307,036.30
  4. Step 4: Simplify right side
    1,237,529,777,922.10x = 1,176,342,456,266,937,449,054,208
  5. Step 5: Solve for x
    x = 1,176,342,456,266,937,449,054,208/1,237,529,777,922.10
  6. Step 6: Final answer
    x = 950,556,889,420.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.