Home / 436,908,400.74-602,909,394.56-238,630,417.38

Finding the Fourth Proportional to 436,908,400.74, 602,909,394.56 and 238,630,417.38

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Solution

The fourth proportional to 436,908,400.74, 602,909,394.56 and 238,630,417.38 is: 329,296,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,908,400.74 : 602,909,394.56 = 238,630,417.38 : x
  2. Step 2: Convert to fraction form
    436,908,400.74/602,909,394.56 = 238,630,417.38/x
  3. Step 3: Cross multiply
    436,908,400.74x = 602,909,394.56 × 238,630,417.38
  4. Step 4: Simplify right side
    436,908,400.74x = 143,872,520,466,175,888
  5. Step 5: Solve for x
    x = 143,872,520,466,175,888/436,908,400.74
  6. Step 6: Final answer
    x = 329,296,759.28

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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.