Home / 631,038,638.70-946,606,818.03-210,861,463.27

Finding the Fourth Proportional to 631,038,638.70, 946,606,818.03 and 210,861,463.27

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Solution

The fourth proportional to 631,038,638.70, 946,606,818.03 and 210,861,463.27 is: 316,308,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,038,638.70 : 946,606,818.03 = 210,861,463.27 : x
  2. Step 2: Convert to fraction form
    631,038,638.70/946,606,818.03 = 210,861,463.27/x
  3. Step 3: Cross multiply
    631,038,638.70x = 946,606,818.03 × 210,861,463.27
  4. Step 4: Simplify right side
    631,038,638.70x = 199,602,898,787,117,344
  5. Step 5: Solve for x
    x = 199,602,898,787,117,344/631,038,638.70
  6. Step 6: Final answer
    x = 316,308,521.45

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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.