Home / 1,129,113,668.69-1,693,088,968.72-506,795,402.73

Finding the Fourth Proportional to 1,129,113,668.69, 1,693,088,968.72 and 506,795,402.73

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Solution

The fourth proportional to 1,129,113,668.69, 1,693,088,968.72 and 506,795,402.73 is: 759,932,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,113,668.69 : 1,693,088,968.72 = 506,795,402.73 : x
  2. Step 2: Convert to fraction form
    1,129,113,668.69/1,693,088,968.72 = 506,795,402.73/x
  3. Step 3: Cross multiply
    1,129,113,668.69x = 1,693,088,968.72 × 506,795,402.73
  4. Step 4: Simplify right side
    1,129,113,668.69x = 858,049,705,760,172,800
  5. Step 5: Solve for x
    x = 858,049,705,760,172,800/1,129,113,668.69
  6. Step 6: Final answer
    x = 759,932,086.16

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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.