Home / 747,287,131.46-1,031,256,202.05-403,569,258.53

Finding the Fourth Proportional to 747,287,131.46, 1,031,256,202.05 and 403,569,258.53

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Solution

The fourth proportional to 747,287,131.46, 1,031,256,202.05 and 403,569,258.53 is: 556,925,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,287,131.46 : 1,031,256,202.05 = 403,569,258.53 : x
  2. Step 2: Convert to fraction form
    747,287,131.46/1,031,256,202.05 = 403,569,258.53/x
  3. Step 3: Cross multiply
    747,287,131.46x = 1,031,256,202.05 × 403,569,258.53
  4. Step 4: Simplify right side
    747,287,131.46x = 416,183,300,810,626,048
  5. Step 5: Solve for x
    x = 416,183,300,810,626,048/747,287,131.46
  6. Step 6: Final answer
    x = 556,925,555.51

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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.