Home / 1,259,760,896.70-1,889,641,345.05-493,856,000.70

Finding the Fourth Proportional to 1,259,760,896.70, 1,889,641,345.05 and 493,856,000.70

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Solution

The fourth proportional to 1,259,760,896.70, 1,889,641,345.05 and 493,856,000.70 is: 740,784,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,760,896.70 : 1,889,641,345.05 = 493,856,000.70 : x
  2. Step 2: Convert to fraction form
    1,259,760,896.70/1,889,641,345.05 = 493,856,000.70/x
  3. Step 3: Cross multiply
    1,259,760,896.70x = 1,889,641,345.05 × 493,856,000.70
  4. Step 4: Simplify right side
    1,259,760,896.70x = 933,210,717,423,761,664
  5. Step 5: Solve for x
    x = 933,210,717,423,761,664/1,259,760,896.70
  6. Step 6: Final answer
    x = 740,784,001.05

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Double scale
Find fourth proportional to 1,259,760,897.70, 1,889,641,346.55 and 493,856,001.70
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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.