Home / 869,230,817.60-1,303,846,226.40-808,008,814.40

Finding the Fourth Proportional to 869,230,817.60, 1,303,846,226.40 and 808,008,814.40

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Solution

The fourth proportional to 869,230,817.60, 1,303,846,226.40 and 808,008,814.40 is: 1,212,013,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,230,817.60 : 1,303,846,226.40 = 808,008,814.40 : x
  2. Step 2: Convert to fraction form
    869,230,817.60/1,303,846,226.40 = 808,008,814.40/x
  3. Step 3: Cross multiply
    869,230,817.60x = 1,303,846,226.40 × 808,008,814.40
  4. Step 4: Simplify right side
    869,230,817.60x = 1,053,519,243,553,378,048
  5. Step 5: Solve for x
    x = 1,053,519,243,553,378,048/869,230,817.60
  6. Step 6: Final answer
    x = 1,212,013,221.60

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1.5x scale

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.