Home / 354,311,556.80-531,467,335.20-340,706,667.20

Finding the Fourth Proportional to 354,311,556.80, 531,467,335.20 and 340,706,667.20

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Solution

The fourth proportional to 354,311,556.80, 531,467,335.20 and 340,706,667.20 is: 511,060,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,311,556.80 : 531,467,335.20 = 340,706,667.20 : x
  2. Step 2: Convert to fraction form
    354,311,556.80/531,467,335.20 = 340,706,667.20/x
  3. Step 3: Cross multiply
    354,311,556.80x = 531,467,335.20 × 340,706,667.20
  4. Step 4: Simplify right side
    354,311,556.80x = 181,074,464,501,657,248
  5. Step 5: Solve for x
    x = 181,074,464,501,657,248/354,311,556.80
  6. Step 6: Final answer
    x = 511,060,000.80

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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.