Home / 438,122,159,536.52-604,608,121,611.80-245,435,688,811.36

Finding the Fourth Proportional to 438,122,159,536.52, 604,608,121,611.80 and 245,435,688,811.36

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Solution

The fourth proportional to 438,122,159,536.52, 604,608,121,611.80 and 245,435,688,811.36 is: 338,700,993,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,536.52 : 604,608,121,611.80 = 245,435,688,811.36 : x
  2. Step 2: Convert to fraction form
    438,122,159,536.52/604,608,121,611.80 = 245,435,688,811.36/x
  3. Step 3: Cross multiply
    438,122,159,536.52x = 604,608,121,611.80 × 245,435,688,811.36
  4. Step 4: Simplify right side
    438,122,159,536.52x = 148,392,410,788,734,647,140,352
  5. Step 5: Solve for x
    x = 148,392,410,788,734,647,140,352/438,122,159,536.52
  6. Step 6: Final answer
    x = 338,700,993,681.11

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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.