Home / 747,159,496.98-1,120,624,321.05-249,178,738.38

Finding the Fourth Proportional to 747,159,496.98, 1,120,624,321.05 and 249,178,738.38

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Solution

The fourth proportional to 747,159,496.98, 1,120,624,321.05 and 249,178,738.38 is: 373,729,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,159,496.98 : 1,120,624,321.05 = 249,178,738.38 : x
  2. Step 2: Convert to fraction form
    747,159,496.98/1,120,624,321.05 = 249,178,738.38/x
  3. Step 3: Cross multiply
    747,159,496.98x = 1,120,624,321.05 × 249,178,738.38
  4. Step 4: Simplify right side
    747,159,496.98x = 279,235,754,517,183,072
  5. Step 5: Solve for x
    x = 279,235,754,517,183,072/747,159,496.98
  6. Step 6: Final answer
    x = 373,729,780.12

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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.