Home / 915,114,174.24-1,372,680,840.42-362,551,084.50

Finding the Fourth Proportional to 915,114,174.24, 1,372,680,840.42 and 362,551,084.50

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Solution

The fourth proportional to 915,114,174.24, 1,372,680,840.42 and 362,551,084.50 is: 543,830,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,114,174.24 : 1,372,680,840.42 = 362,551,084.50 : x
  2. Step 2: Convert to fraction form
    915,114,174.24/1,372,680,840.42 = 362,551,084.50/x
  3. Step 3: Cross multiply
    915,114,174.24x = 1,372,680,840.42 × 362,551,084.50
  4. Step 4: Simplify right side
    915,114,174.24x = 497,666,927,366,642,432
  5. Step 5: Solve for x
    x = 497,666,927,366,642,432/915,114,174.24
  6. Step 6: Final answer
    x = 543,830,421.79

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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.