Home / 1,005,652,258.98-1,508,542,168.95-315,586,725.54

Finding the Fourth Proportional to 1,005,652,258.98, 1,508,542,168.95 and 315,586,725.54

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Solution

The fourth proportional to 1,005,652,258.98, 1,508,542,168.95 and 315,586,725.54 is: 473,400,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,652,258.98 : 1,508,542,168.95 = 315,586,725.54 : x
  2. Step 2: Convert to fraction form
    1,005,652,258.98/1,508,542,168.95 = 315,586,725.54/x
  3. Step 3: Cross multiply
    1,005,652,258.98x = 1,508,542,168.95 × 315,586,725.54
  4. Step 4: Simplify right side
    1,005,652,258.98x = 476,075,883,437,940,032
  5. Step 5: Solve for x
    x = 476,075,883,437,940,032/1,005,652,258.98
  6. Step 6: Final answer
    x = 473,400,103.45

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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.