Home / 1,303,877,624.40-1,955,144,590.20-485,568,709.20

Finding the Fourth Proportional to 1,303,877,624.40, 1,955,144,590.20 and 485,568,709.20

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Solution

The fourth proportional to 1,303,877,624.40, 1,955,144,590.20 and 485,568,709.20 is: 728,102,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,877,624.40 : 1,955,144,590.20 = 485,568,709.20 : x
  2. Step 2: Convert to fraction form
    1,303,877,624.40/1,955,144,590.20 = 485,568,709.20/x
  3. Step 3: Cross multiply
    1,303,877,624.40x = 1,955,144,590.20 × 485,568,709.20
  4. Step 4: Simplify right side
    1,303,877,624.40x = 949,357,034,962,776,960
  5. Step 5: Solve for x
    x = 949,357,034,962,776,960/1,303,877,624.40
  6. Step 6: Final answer
    x = 728,102,865.79

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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.