Home / 438,122,159,536.54-604,608,121,611.78-245,435,688,811.36

Finding the Fourth Proportional to 438,122,159,536.54, 604,608,121,611.78 and 245,435,688,811.36

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Solution

The fourth proportional to 438,122,159,536.54, 604,608,121,611.78 and 245,435,688,811.36 is: 338,700,993,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,536.54 : 604,608,121,611.78 = 245,435,688,811.36 : x
  2. Step 2: Convert to fraction form
    438,122,159,536.54/604,608,121,611.78 = 245,435,688,811.36/x
  3. Step 3: Cross multiply
    438,122,159,536.54x = 604,608,121,611.78 × 245,435,688,811.36
  4. Step 4: Simplify right side
    438,122,159,536.54x = 148,392,410,788,729,731,416,064
  5. Step 5: Solve for x
    x = 148,392,410,788,729,731,416,064/438,122,159,536.54
  6. Step 6: Final answer
    x = 338,700,993,681.09

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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.