Home / 1,263,710,931.27-1,895,824,930.03-434,556,891.17

Finding the Fourth Proportional to 1,263,710,931.27, 1,895,824,930.03 and 434,556,891.17

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Solution

The fourth proportional to 1,263,710,931.27, 1,895,824,930.03 and 434,556,891.17 is: 651,924,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,710,931.27 : 1,895,824,930.03 = 434,556,891.17 : x
  2. Step 2: Convert to fraction form
    1,263,710,931.27/1,895,824,930.03 = 434,556,891.17/x
  3. Step 3: Cross multiply
    1,263,710,931.27x = 1,895,824,930.03 × 434,556,891.17
  4. Step 4: Simplify right side
    1,263,710,931.27x = 823,843,787,796,419,584
  5. Step 5: Solve for x
    x = 823,843,787,796,419,584/1,263,710,931.27
  6. Step 6: Final answer
    x = 651,924,239.49

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Double scale
Find fourth proportional to 1,263,710,932.27, 1,895,824,931.53 and 434,556,892.17
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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.