Home / 443,698,618.62-612,285,699.06-242,754,507.12

Finding the Fourth Proportional to 443,698,618.62, 612,285,699.06 and 242,754,507.12

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Solution

The fourth proportional to 443,698,618.62, 612,285,699.06 and 242,754,507.12 is: 334,991,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,698,618.62 : 612,285,699.06 = 242,754,507.12 : x
  2. Step 2: Convert to fraction form
    443,698,618.62/612,285,699.06 = 242,754,507.12/x
  3. Step 3: Cross multiply
    443,698,618.62x = 612,285,699.06 × 242,754,507.12
  4. Step 4: Simplify right side
    443,698,618.62x = 148,635,113,091,934,944
  5. Step 5: Solve for x
    x = 148,635,113,091,934,944/443,698,618.62
  6. Step 6: Final answer
    x = 334,991,155.83

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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.