Home / 718,064,122.60-990,885,782.64-416,626,082.02

Finding the Fourth Proportional to 718,064,122.60, 990,885,782.64 and 416,626,082.02

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Solution

The fourth proportional to 718,064,122.60, 990,885,782.64 and 416,626,082.02 is: 574,919,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,064,122.60 : 990,885,782.64 = 416,626,082.02 : x
  2. Step 2: Convert to fraction form
    718,064,122.60/990,885,782.64 = 416,626,082.02/x
  3. Step 3: Cross multiply
    718,064,122.60x = 990,885,782.64 × 416,626,082.02
  4. Step 4: Simplify right side
    718,064,122.60x = 412,828,861,350,624,512
  5. Step 5: Solve for x
    x = 412,828,861,350,624,512/718,064,122.60
  6. Step 6: Final answer
    x = 574,919,214.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.