Home / 313,668,321,405.80-470,502,482,108.70-78,116,664,093.80

Finding the Fourth Proportional to 313,668,321,405.80, 470,502,482,108.70 and 78,116,664,093.80

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Solution

The fourth proportional to 313,668,321,405.80, 470,502,482,108.70 and 78,116,664,093.80 is: 117,174,996,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,668,321,405.80 : 470,502,482,108.70 = 78,116,664,093.80 : x
  2. Step 2: Convert to fraction form
    313,668,321,405.80/470,502,482,108.70 = 78,116,664,093.80/x
  3. Step 3: Cross multiply
    313,668,321,405.80x = 470,502,482,108.70 × 78,116,664,093.80
  4. Step 4: Simplify right side
    313,668,321,405.80x = 36,754,084,350,184,464,056,320
  5. Step 5: Solve for x
    x = 36,754,084,350,184,464,056,320/313,668,321,405.80
  6. Step 6: Final answer
    x = 117,174,996,140.70

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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.