Home / 438,122,159,537.52-604,608,121,613.20-245,435,688,812.36

Finding the Fourth Proportional to 438,122,159,537.52, 604,608,121,613.20 and 245,435,688,812.36

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Solution

The fourth proportional to 438,122,159,537.52, 604,608,121,613.20 and 245,435,688,812.36 is: 338,700,993,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,537.52 : 604,608,121,613.20 = 245,435,688,812.36 : x
  2. Step 2: Convert to fraction form
    438,122,159,537.52/604,608,121,613.20 = 245,435,688,812.36/x
  3. Step 3: Cross multiply
    438,122,159,537.52x = 604,608,121,613.20 × 245,435,688,812.36
  4. Step 4: Simplify right side
    438,122,159,537.52x = 148,392,410,789,682,845,057,024
  5. Step 5: Solve for x
    x = 148,392,410,789,682,845,057,024/438,122,159,537.52
  6. Step 6: Final answer
    x = 338,700,993,682.51

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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.