Home / 531,471,803.40-798,058,010.70-402,225,352.20

Finding the Fourth Proportional to 531,471,803.40, 798,058,010.70 and 402,225,352.20

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Solution

The fourth proportional to 531,471,803.40, 798,058,010.70 and 402,225,352.20 is: 603,981,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,471,803.40 : 798,058,010.70 = 402,225,352.20 : x
  2. Step 2: Convert to fraction form
    531,471,803.40/798,058,010.70 = 402,225,352.20/x
  3. Step 3: Cross multiply
    531,471,803.40x = 798,058,010.70 × 402,225,352.20
  4. Step 4: Simplify right side
    531,471,803.40x = 320,999,164,429,838,848
  5. Step 5: Solve for x
    x = 320,999,164,429,838,848/531,471,803.40
  6. Step 6: Final answer
    x = 603,981,551.56

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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.