Home / 338,880,330,895.84-467,705,698,959-257,456,166,132.28

Finding the Fourth Proportional to 338,880,330,895.84, 467,705,698,959 and 257,456,166,132.28

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Solution

The fourth proportional to 338,880,330,895.84, 467,705,698,959 and 257,456,166,132.28 is: 355,328,135,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,880,330,895.84 : 467,705,698,959 = 257,456,166,132.28 : x
  2. Step 2: Convert to fraction form
    338,880,330,895.84/467,705,698,959 = 257,456,166,132.28/x
  3. Step 3: Cross multiply
    338,880,330,895.84x = 467,705,698,959 × 257,456,166,132.28
  4. Step 4: Simplify right side
    338,880,330,895.84x = 120,413,716,132,202,440,294,400
  5. Step 5: Solve for x
    x = 120,413,716,132,202,440,294,400/338,880,330,895.84
  6. Step 6: Final answer
    x = 355,328,135,492.21

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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.