Home / 1,225,093,887.30-1,838,358,276.30-448,818,018.60

Finding the Fourth Proportional to 1,225,093,887.30, 1,838,358,276.30 and 448,818,018.60

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Solution

The fourth proportional to 1,225,093,887.30, 1,838,358,276.30 and 448,818,018.60 is: 673,489,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,093,887.30 : 1,838,358,276.30 = 448,818,018.60 : x
  2. Step 2: Convert to fraction form
    1,225,093,887.30/1,838,358,276.30 = 448,818,018.60/x
  3. Step 3: Cross multiply
    1,225,093,887.30x = 1,838,358,276.30 × 448,818,018.60
  4. Step 4: Simplify right side
    1,225,093,887.30x = 825,088,319,045,877,376
  5. Step 5: Solve for x
    x = 825,088,319,045,877,376/1,225,093,887.30
  6. Step 6: Final answer
    x = 673,489,866.86

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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.