Home / 460,274,638.95-690,407,234.51-266,062,477.95

Finding the Fourth Proportional to 460,274,638.95, 690,407,234.51 and 266,062,477.95

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Solution

The fourth proportional to 460,274,638.95, 690,407,234.51 and 266,062,477.95 is: 399,090,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,274,638.95 : 690,407,234.51 = 266,062,477.95 : x
  2. Step 2: Convert to fraction form
    460,274,638.95/690,407,234.51 = 266,062,477.95/x
  3. Step 3: Cross multiply
    460,274,638.95x = 690,407,234.51 × 266,062,477.95
  4. Step 4: Simplify right side
    460,274,638.95x = 183,691,459,607,007,040
  5. Step 5: Solve for x
    x = 183,691,459,607,007,040/460,274,638.95
  6. Step 6: Final answer
    x = 399,090,986.26

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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.