Home / 438,501,601.62-657,537,168.42-216,916,924.32

Finding the Fourth Proportional to 438,501,601.62, 657,537,168.42 and 216,916,924.32

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Solution

The fourth proportional to 438,501,601.62, 657,537,168.42 and 216,916,924.32 is: 325,268,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,501,601.62 : 657,537,168.42 = 216,916,924.32 : x
  2. Step 2: Convert to fraction form
    438,501,601.62/657,537,168.42 = 216,916,924.32/x
  3. Step 3: Cross multiply
    438,501,601.62x = 657,537,168.42 × 216,916,924.32
  4. Step 4: Simplify right side
    438,501,601.62x = 142,630,940,199,748,224
  5. Step 5: Solve for x
    x = 142,630,940,199,748,224/438,501,601.62
  6. Step 6: Final answer
    x = 325,268,915.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.