Home / 443,323,421.80-664,985,132.70-437,276,804.20

Finding the Fourth Proportional to 443,323,421.80, 664,985,132.70 and 437,276,804.20

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Solution

The fourth proportional to 443,323,421.80, 664,985,132.70 and 437,276,804.20 is: 655,915,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,323,421.80 : 664,985,132.70 = 437,276,804.20 : x
  2. Step 2: Convert to fraction form
    443,323,421.80/664,985,132.70 = 437,276,804.20/x
  3. Step 3: Cross multiply
    443,323,421.80x = 664,985,132.70 × 437,276,804.20
  4. Step 4: Simplify right side
    443,323,421.80x = 290,782,573,667,568,960
  5. Step 5: Solve for x
    x = 290,782,573,667,568,960/443,323,421.80
  6. Step 6: Final answer
    x = 655,915,206.30

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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.