Home / 428,598,319.13-642,961,362.34-152,226,314.48

Finding the Fourth Proportional to 428,598,319.13, 642,961,362.34 and 152,226,314.48

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Solution

The fourth proportional to 428,598,319.13, 642,961,362.34 and 152,226,314.48 is: 228,362,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,598,319.13 : 642,961,362.34 = 152,226,314.48 : x
  2. Step 2: Convert to fraction form
    428,598,319.13/642,961,362.34 = 152,226,314.48/x
  3. Step 3: Cross multiply
    428,598,319.13x = 642,961,362.34 × 152,226,314.48
  4. Step 4: Simplify right side
    428,598,319.13x = 97,875,638,539,033,536
  5. Step 5: Solve for x
    x = 97,875,638,539,033,536/428,598,319.13
  6. Step 6: Final answer
    x = 228,362,161.42

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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.