Home / 438,122,159,536.03-604,608,121,611.10-245,435,688,810.86

Finding the Fourth Proportional to 438,122,159,536.03, 604,608,121,611.10 and 245,435,688,810.86

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Solution

The fourth proportional to 438,122,159,536.03, 604,608,121,611.10 and 245,435,688,810.86 is: 338,700,993,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,536.03 : 604,608,121,611.10 = 245,435,688,810.86 : x
  2. Step 2: Convert to fraction form
    438,122,159,536.03/604,608,121,611.10 = 245,435,688,810.86/x
  3. Step 3: Cross multiply
    438,122,159,536.03x = 604,608,121,611.10 × 245,435,688,810.86
  4. Step 4: Simplify right side
    438,122,159,536.03x = 148,392,410,788,260,523,016,192
  5. Step 5: Solve for x
    x = 148,392,410,788,260,523,016,192/438,122,159,536.03
  6. Step 6: Final answer
    x = 338,700,993,680.41

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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.