Home / 867,375,449.12-1,300,574,247.72-284,953,313.96

Finding the Fourth Proportional to 867,375,449.12, 1,300,574,247.72 and 284,953,313.96

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Solution

The fourth proportional to 867,375,449.12, 1,300,574,247.72 and 284,953,313.96 is: 427,269,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,375,449.12 : 1,300,574,247.72 = 284,953,313.96 : x
  2. Step 2: Convert to fraction form
    867,375,449.12/1,300,574,247.72 = 284,953,313.96/x
  3. Step 3: Cross multiply
    867,375,449.12x = 1,300,574,247.72 × 284,953,313.96
  4. Step 4: Simplify right side
    867,375,449.12x = 370,602,941,938,847,936
  5. Step 5: Solve for x
    x = 370,602,941,938,847,936/867,375,449.12
  6. Step 6: Final answer
    x = 427,269,347.22

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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.