Home / 1,265,362,193-1,898,346,327.52-528,021,931.34

Finding the Fourth Proportional to 1,265,362,193, 1,898,346,327.52 and 528,021,931.34

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Solution

The fourth proportional to 1,265,362,193, 1,898,346,327.52 and 528,021,931.34 is: 792,159,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,362,193 : 1,898,346,327.52 = 528,021,931.34 : x
  2. Step 2: Convert to fraction form
    1,265,362,193/1,898,346,327.52 = 528,021,931.34/x
  3. Step 3: Cross multiply
    1,265,362,193x = 1,898,346,327.52 × 528,021,931.34
  4. Step 4: Simplify right side
    1,265,362,193x = 1,002,368,494,209,306,496
  5. Step 5: Solve for x
    x = 1,002,368,494,209,306,496/1,265,362,193
  6. Step 6: Final answer
    x = 792,159,351.49

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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.