Home / 470,508,000.20-704,754,230.70-389,886,432.20

Finding the Fourth Proportional to 470,508,000.20, 704,754,230.70 and 389,886,432.20

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Solution

The fourth proportional to 470,508,000.20, 704,754,230.70 and 389,886,432.20 is: 583,994,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,508,000.20 : 704,754,230.70 = 389,886,432.20 : x
  2. Step 2: Convert to fraction form
    470,508,000.20/704,754,230.70 = 389,886,432.20/x
  3. Step 3: Cross multiply
    470,508,000.20x = 704,754,230.70 × 389,886,432.20
  4. Step 4: Simplify right side
    470,508,000.20x = 274,774,112,585,478,720
  5. Step 5: Solve for x
    x = 274,774,112,585,478,720/470,508,000.20
  6. Step 6: Final answer
    x = 583,994,560.07

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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.