Home / 624,152,079.36-936,111,070.53-313,176,198.15

Finding the Fourth Proportional to 624,152,079.36, 936,111,070.53 and 313,176,198.15

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Solution

The fourth proportional to 624,152,079.36, 936,111,070.53 and 313,176,198.15 is: 469,705,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,152,079.36 : 936,111,070.53 = 313,176,198.15 : x
  2. Step 2: Convert to fraction form
    624,152,079.36/936,111,070.53 = 313,176,198.15/x
  3. Step 3: Cross multiply
    624,152,079.36x = 936,111,070.53 × 313,176,198.15
  4. Step 4: Simplify right side
    624,152,079.36x = 293,167,706,114,711,872
  5. Step 5: Solve for x
    x = 293,167,706,114,711,872/624,152,079.36
  6. Step 6: Final answer
    x = 469,705,566.66

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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.