Home / 783,209,378.21-1,174,947,911.67-322,895,916.77

Finding the Fourth Proportional to 783,209,378.21, 1,174,947,911.67 and 322,895,916.77

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Solution

The fourth proportional to 783,209,378.21, 1,174,947,911.67 and 322,895,916.77 is: 484,399,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,209,378.21 : 1,174,947,911.67 = 322,895,916.77 : x
  2. Step 2: Convert to fraction form
    783,209,378.21/1,174,947,911.67 = 322,895,916.77/x
  3. Step 3: Cross multiply
    783,209,378.21x = 1,174,947,911.67 × 322,895,916.77
  4. Step 4: Simplify right side
    783,209,378.21x = 379,385,883,089,806,912
  5. Step 5: Solve for x
    x = 379,385,883,089,806,912/783,209,378.21
  6. Step 6: Final answer
    x = 484,399,055.54

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1.5x scale

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.