Home / 899,302,388.70-1,240,657,278.03-602,040,404.10

Finding the Fourth Proportional to 899,302,388.70, 1,240,657,278.03 and 602,040,404.10

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Solution

The fourth proportional to 899,302,388.70, 1,240,657,278.03 and 602,040,404.10 is: 830,561,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,302,388.70 : 1,240,657,278.03 = 602,040,404.10 : x
  2. Step 2: Convert to fraction form
    899,302,388.70/1,240,657,278.03 = 602,040,404.10/x
  3. Step 3: Cross multiply
    899,302,388.70x = 1,240,657,278.03 × 602,040,404.10
  4. Step 4: Simplify right side
    899,302,388.70x = 746,925,809,014,787,328
  5. Step 5: Solve for x
    x = 746,925,809,014,787,328/899,302,388.70
  6. Step 6: Final answer
    x = 830,561,353.33

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1.5x scale

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.