Home / 1,294,762,678.98-1,786,936,144.08-849,100,980.30

Finding the Fourth Proportional to 1,294,762,678.98, 1,786,936,144.08 and 849,100,980.30

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Solution

The fourth proportional to 1,294,762,678.98, 1,786,936,144.08 and 849,100,980.30 is: 1,171,866,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,762,678.98 : 1,786,936,144.08 = 849,100,980.30 : x
  2. Step 2: Convert to fraction form
    1,294,762,678.98/1,786,936,144.08 = 849,100,980.30/x
  3. Step 3: Cross multiply
    1,294,762,678.98x = 1,786,936,144.08 × 849,100,980.30
  4. Step 4: Simplify right side
    1,294,762,678.98x = 1,517,289,231,671,830,016
  5. Step 5: Solve for x
    x = 1,517,289,231,671,830,016/1,294,762,678.98
  6. Step 6: Final answer
    x = 1,171,866,672.02

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Double scale
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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.