Home / 328,965,087.10-493,447,630.65-264,395,005.60

Finding the Fourth Proportional to 328,965,087.10, 493,447,630.65 and 264,395,005.60

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Solution

The fourth proportional to 328,965,087.10, 493,447,630.65 and 264,395,005.60 is: 396,592,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,087.10 : 493,447,630.65 = 264,395,005.60 : x
  2. Step 2: Convert to fraction form
    328,965,087.10/493,447,630.65 = 264,395,005.60/x
  3. Step 3: Cross multiply
    328,965,087.10x = 493,447,630.65 × 264,395,005.60
  4. Step 4: Simplify right side
    328,965,087.10x = 130,465,089,069,013,472
  5. Step 5: Solve for x
    x = 130,465,089,069,013,472/328,965,087.10
  6. Step 6: Final answer
    x = 396,592,508.40

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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.