Home / 459,434,235.20-689,214,338.40-152,694,363.20

Finding the Fourth Proportional to 459,434,235.20, 689,214,338.40 and 152,694,363.20

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Solution

The fourth proportional to 459,434,235.20, 689,214,338.40 and 152,694,363.20 is: 229,062,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,434,235.20 : 689,214,338.40 = 152,694,363.20 : x
  2. Step 2: Convert to fraction form
    459,434,235.20/689,214,338.40 = 152,694,363.20/x
  3. Step 3: Cross multiply
    459,434,235.20x = 689,214,338.40 × 152,694,363.20
  4. Step 4: Simplify right side
    459,434,235.20x = 105,239,144,510,297,296
  5. Step 5: Solve for x
    x = 105,239,144,510,297,296/459,434,235.20
  6. Step 6: Final answer
    x = 229,062,478.26

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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.