Home / 545,954,543.70-818,931,815.55-303,617,447.70

Finding the Fourth Proportional to 545,954,543.70, 818,931,815.55 and 303,617,447.70

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Solution

The fourth proportional to 545,954,543.70, 818,931,815.55 and 303,617,447.70 is: 455,426,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,954,543.70 : 818,931,815.55 = 303,617,447.70 : x
  2. Step 2: Convert to fraction form
    545,954,543.70/818,931,815.55 = 303,617,447.70/x
  3. Step 3: Cross multiply
    545,954,543.70x = 818,931,815.55 × 303,617,447.70
  4. Step 4: Simplify right side
    545,954,543.70x = 248,641,987,677,618,144
  5. Step 5: Solve for x
    x = 248,641,987,677,618,144/545,954,543.70
  6. Step 6: Final answer
    x = 455,426,171.55

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Double scale
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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.