Home / 1,512,391,660.52-2,268,605,554.18-421,808,374.76

Finding the Fourth Proportional to 1,512,391,660.52, 2,268,605,554.18 and 421,808,374.76

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Solution

The fourth proportional to 1,512,391,660.52, 2,268,605,554.18 and 421,808,374.76 is: 632,717,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,391,660.52 : 2,268,605,554.18 = 421,808,374.76 : x
  2. Step 2: Convert to fraction form
    1,512,391,660.52/2,268,605,554.18 = 421,808,374.76/x
  3. Step 3: Cross multiply
    1,512,391,660.52x = 2,268,605,554.18 × 421,808,374.76
  4. Step 4: Simplify right side
    1,512,391,660.52x = 956,916,821,780,174,848
  5. Step 5: Solve for x
    x = 956,916,821,780,174,848/1,512,391,660.52
  6. Step 6: Final answer
    x = 632,717,600.05

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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.