Home / 1,107,601,334.41-1,528,158,008.80-637,690,573.39

Finding the Fourth Proportional to 1,107,601,334.41, 1,528,158,008.80 and 637,690,573.39

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Solution

The fourth proportional to 1,107,601,334.41, 1,528,158,008.80 and 637,690,573.39 is: 879,821,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,601,334.41 : 1,528,158,008.80 = 637,690,573.39 : x
  2. Step 2: Convert to fraction form
    1,107,601,334.41/1,528,158,008.80 = 637,690,573.39/x
  3. Step 3: Cross multiply
    1,107,601,334.41x = 1,528,158,008.80 × 637,690,573.39
  4. Step 4: Simplify right side
    1,107,601,334.41x = 974,491,956,862,192,640
  5. Step 5: Solve for x
    x = 974,491,956,862,192,640/1,107,601,334.41
  6. Step 6: Final answer
    x = 879,821,941.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.