Home / 436,908,396.74-602,909,389.05-238,630,413.38

Finding the Fourth Proportional to 436,908,396.74, 602,909,389.05 and 238,630,413.38

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Solution

The fourth proportional to 436,908,396.74, 602,909,389.05 and 238,630,413.38 is: 329,296,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,908,396.74 : 602,909,389.05 = 238,630,413.38 : x
  2. Step 2: Convert to fraction form
    436,908,396.74/602,909,389.05 = 238,630,413.38/x
  3. Step 3: Cross multiply
    436,908,396.74x = 602,909,389.05 × 238,630,413.38
  4. Step 4: Simplify right side
    436,908,396.74x = 143,872,516,739,684,736
  5. Step 5: Solve for x
    x = 143,872,516,739,684,736/436,908,396.74
  6. Step 6: Final answer
    x = 329,296,753.77

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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.