Home / 630,253,333.76-947,042,613.12-339,335,548.16

Finding the Fourth Proportional to 630,253,333.76, 947,042,613.12 and 339,335,548.16

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Solution

The fourth proportional to 630,253,333.76, 947,042,613.12 and 339,335,548.16 is: 509,898,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,253,333.76 : 947,042,613.12 = 339,335,548.16 : x
  2. Step 2: Convert to fraction form
    630,253,333.76/947,042,613.12 = 339,335,548.16/x
  3. Step 3: Cross multiply
    630,253,333.76x = 947,042,613.12 × 339,335,548.16
  4. Step 4: Simplify right side
    630,253,333.76x = 321,365,224,253,954,048
  5. Step 5: Solve for x
    x = 321,365,224,253,954,048/630,253,333.76
  6. Step 6: Final answer
    x = 509,898,491.67

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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.