Home / 630,995,418.36-870,774,046.20-352,536,941.52

Finding the Fourth Proportional to 630,995,418.36, 870,774,046.20 and 352,536,941.52

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Solution

The fourth proportional to 630,995,418.36, 870,774,046.20 and 352,536,941.52 is: 486,501,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,995,418.36 : 870,774,046.20 = 352,536,941.52 : x
  2. Step 2: Convert to fraction form
    630,995,418.36/870,774,046.20 = 352,536,941.52/x
  3. Step 3: Cross multiply
    630,995,418.36x = 870,774,046.20 × 352,536,941.52
  4. Step 4: Simplify right side
    630,995,418.36x = 306,980,019,002,343,168
  5. Step 5: Solve for x
    x = 306,980,019,002,343,168/630,995,418.36
  6. Step 6: Final answer
    x = 486,501,185.38

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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.