Home / 601,705,639.90-830,229,440.06-347,382,589.42

Finding the Fourth Proportional to 601,705,639.90, 830,229,440.06 and 347,382,589.42

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Solution

The fourth proportional to 601,705,639.90, 830,229,440.06 and 347,382,589.42 is: 479,316,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,705,639.90 : 830,229,440.06 = 347,382,589.42 : x
  2. Step 2: Convert to fraction form
    601,705,639.90/830,229,440.06 = 347,382,589.42/x
  3. Step 3: Cross multiply
    601,705,639.90x = 830,229,440.06 × 347,382,589.42
  4. Step 4: Simplify right side
    601,705,639.90x = 288,407,252,699,552,384
  5. Step 5: Solve for x
    x = 288,407,252,699,552,384/601,705,639.90
  6. Step 6: Final answer
    x = 479,316,186.48

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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.