Home / 343,913,740-474,600,991.20-187,280,800

Finding the Fourth Proportional to 343,913,740, 474,600,991.20 and 187,280,800

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Solution

The fourth proportional to 343,913,740, 474,600,991.20 and 187,280,800 is: 258,447,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,913,740 : 474,600,991.20 = 187,280,800 : x
  2. Step 2: Convert to fraction form
    343,913,740/474,600,991.20 = 187,280,800/x
  3. Step 3: Cross multiply
    343,913,740x = 474,600,991.20 × 187,280,800
  4. Step 4: Simplify right side
    343,913,740x = 88,883,653,312,728,960
  5. Step 5: Solve for x
    x = 88,883,653,312,728,960/343,913,740
  6. Step 6: Final answer
    x = 258,447,520.34

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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.