Home / 1,119,635,019.80-1,679,452,529.70-301,747,320.80

Finding the Fourth Proportional to 1,119,635,019.80, 1,679,452,529.70 and 301,747,320.80

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Solution

The fourth proportional to 1,119,635,019.80, 1,679,452,529.70 and 301,747,320.80 is: 452,620,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,635,019.80 : 1,679,452,529.70 = 301,747,320.80 : x
  2. Step 2: Convert to fraction form
    1,119,635,019.80/1,679,452,529.70 = 301,747,320.80/x
  3. Step 3: Cross multiply
    1,119,635,019.80x = 1,679,452,529.70 × 301,747,320.80
  4. Step 4: Simplify right side
    1,119,635,019.80x = 506,770,301,247,757,440
  5. Step 5: Solve for x
    x = 506,770,301,247,757,440/1,119,635,019.80
  6. Step 6: Final answer
    x = 452,620,981.20

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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.