Home / 385,646,603.08-532,355,172.34-260,368,504.34

Finding the Fourth Proportional to 385,646,603.08, 532,355,172.34 and 260,368,504.34

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Solution

The fourth proportional to 385,646,603.08, 532,355,172.34 and 260,368,504.34 is: 359,418,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,646,603.08 : 532,355,172.34 = 260,368,504.34 : x
  2. Step 2: Convert to fraction form
    385,646,603.08/532,355,172.34 = 260,368,504.34/x
  3. Step 3: Cross multiply
    385,646,603.08x = 532,355,172.34 × 260,368,504.34
  4. Step 4: Simplify right side
    385,646,603.08x = 138,608,519,999,828,736
  5. Step 5: Solve for x
    x = 138,608,519,999,828,736/385,646,603.08
  6. Step 6: Final answer
    x = 359,418,490.64

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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.