Home / 402,218,005.70-603,327,008.55-159,880,909.70

Finding the Fourth Proportional to 402,218,005.70, 603,327,008.55 and 159,880,909.70

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Solution

The fourth proportional to 402,218,005.70, 603,327,008.55 and 159,880,909.70 is: 239,821,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,218,005.70 : 603,327,008.55 = 159,880,909.70 : x
  2. Step 2: Convert to fraction form
    402,218,005.70/603,327,008.55 = 159,880,909.70/x
  3. Step 3: Cross multiply
    402,218,005.70x = 603,327,008.55 × 159,880,909.70
  4. Step 4: Simplify right side
    402,218,005.70x = 96,460,470,973,553,664
  5. Step 5: Solve for x
    x = 96,460,470,973,553,664/402,218,005.70
  6. Step 6: Final answer
    x = 239,821,364.55

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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.