Home / 504,038,861.70-756,058,292.55-417,945,419.70

Finding the Fourth Proportional to 504,038,861.70, 756,058,292.55 and 417,945,419.70

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Solution

The fourth proportional to 504,038,861.70, 756,058,292.55 and 417,945,419.70 is: 626,918,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,038,861.70 : 756,058,292.55 = 417,945,419.70 : x
  2. Step 2: Convert to fraction form
    504,038,861.70/756,058,292.55 = 417,945,419.70/x
  3. Step 3: Cross multiply
    504,038,861.70x = 756,058,292.55 × 417,945,419.70
  4. Step 4: Simplify right side
    504,038,861.70x = 315,991,100,397,475,136
  5. Step 5: Solve for x
    x = 315,991,100,397,475,136/504,038,861.70
  6. Step 6: Final answer
    x = 626,918,129.55

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Double scale
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Similar ratio
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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.