Home / 630,099,097.20-945,148,645.80-339,533,730.45

Finding the Fourth Proportional to 630,099,097.20, 945,148,645.80 and 339,533,730.45

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Solution

The fourth proportional to 630,099,097.20, 945,148,645.80 and 339,533,730.45 is: 509,300,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,099,097.20 : 945,148,645.80 = 339,533,730.45 : x
  2. Step 2: Convert to fraction form
    630,099,097.20/945,148,645.80 = 339,533,730.45/x
  3. Step 3: Cross multiply
    630,099,097.20x = 945,148,645.80 × 339,533,730.45
  4. Step 4: Simplify right side
    630,099,097.20x = 320,909,845,538,239,680
  5. Step 5: Solve for x
    x = 320,909,845,538,239,680/630,099,097.20
  6. Step 6: Final answer
    x = 509,300,595.68

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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.