Home / 624,931,678.80-936,741,326.16-210,264,548.40

Finding the Fourth Proportional to 624,931,678.80, 936,741,326.16 and 210,264,548.40

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Solution

The fourth proportional to 624,931,678.80, 936,741,326.16 and 210,264,548.40 is: 315,176,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,931,678.80 : 936,741,326.16 = 210,264,548.40 : x
  2. Step 2: Convert to fraction form
    624,931,678.80/936,741,326.16 = 210,264,548.40/x
  3. Step 3: Cross multiply
    624,931,678.80x = 936,741,326.16 × 210,264,548.40
  4. Step 4: Simplify right side
    624,931,678.80x = 196,963,491,912,649,504
  5. Step 5: Solve for x
    x = 196,963,491,912,649,504/624,931,678.80
  6. Step 6: Final answer
    x = 315,176,040.19

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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.