Home / 1,228,508,502.30-1,839,837,654.99-784,475,798.67

Finding the Fourth Proportional to 1,228,508,502.30, 1,839,837,654.99 and 784,475,798.67

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Solution

The fourth proportional to 1,228,508,502.30, 1,839,837,654.99 and 784,475,798.67 is: 1,174,845,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,508,502.30 : 1,839,837,654.99 = 784,475,798.67 : x
  2. Step 2: Convert to fraction form
    1,228,508,502.30/1,839,837,654.99 = 784,475,798.67/x
  3. Step 3: Cross multiply
    1,228,508,502.30x = 1,839,837,654.99 × 784,475,798.67
  4. Step 4: Simplify right side
    1,228,508,502.30x = 1,443,308,113,821,420,032
  5. Step 5: Solve for x
    x = 1,443,308,113,821,420,032/1,228,508,502.30
  6. Step 6: Final answer
    x = 1,174,845,848.54

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Double scale
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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.