Home / 462,438,236,138.98-638,113,008,696.82-256,681,147,755.50

Finding the Fourth Proportional to 462,438,236,138.98, 638,113,008,696.82 and 256,681,147,755.50

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Solution

The fourth proportional to 462,438,236,138.98, 638,113,008,696.82 and 256,681,147,755.50 is: 354,191,255,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,438,236,138.98 : 638,113,008,696.82 = 256,681,147,755.50 : x
  2. Step 2: Convert to fraction form
    462,438,236,138.98/638,113,008,696.82 = 256,681,147,755.50/x
  3. Step 3: Cross multiply
    462,438,236,138.98x = 638,113,008,696.82 × 256,681,147,755.50
  4. Step 4: Simplify right side
    462,438,236,138.98x = 163,791,579,470,015,101,927,424
  5. Step 5: Solve for x
    x = 163,791,579,470,015,101,927,424/462,438,236,138.98
  6. Step 6: Final answer
    x = 354,191,255,544.86

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1.5x scale

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.