Home / 747,287,112.88-1,031,256,176.38-403,569,239.91

Finding the Fourth Proportional to 747,287,112.88, 1,031,256,176.38 and 403,569,239.91

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Solution

The fourth proportional to 747,287,112.88, 1,031,256,176.38 and 403,569,239.91 is: 556,925,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,287,112.88 : 1,031,256,176.38 = 403,569,239.91 : x
  2. Step 2: Convert to fraction form
    747,287,112.88/1,031,256,176.38 = 403,569,239.91/x
  3. Step 3: Cross multiply
    747,287,112.88x = 1,031,256,176.38 × 403,569,239.91
  4. Step 4: Simplify right side
    747,287,112.88x = 416,183,271,257,338,688
  5. Step 5: Solve for x
    x = 416,183,271,257,338,688/747,287,112.88
  6. Step 6: Final answer
    x = 556,925,529.81

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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.