Home / 691,258,894.83-1,036,889,392.14-282,315,045.33

Finding the Fourth Proportional to 691,258,894.83, 1,036,889,392.14 and 282,315,045.33

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Solution

The fourth proportional to 691,258,894.83, 1,036,889,392.14 and 282,315,045.33 is: 423,472,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258,894.83 : 1,036,889,392.14 = 282,315,045.33 : x
  2. Step 2: Convert to fraction form
    691,258,894.83/1,036,889,392.14 = 282,315,045.33/x
  3. Step 3: Cross multiply
    691,258,894.83x = 1,036,889,392.14 × 282,315,045.33
  4. Step 4: Simplify right side
    691,258,894.83x = 292,729,475,744,200,256
  5. Step 5: Solve for x
    x = 292,729,475,744,200,256/691,258,894.83
  6. Step 6: Final answer
    x = 423,472,996.78

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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.