Home / 1,901,269,352.98-2,849,891,194.50-639,532,316.65

Finding the Fourth Proportional to 1,901,269,352.98, 2,849,891,194.50 and 639,532,316.65

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Solution

The fourth proportional to 1,901,269,352.98, 2,849,891,194.50 and 639,532,316.65 is: 958,621,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,269,352.98 : 2,849,891,194.50 = 639,532,316.65 : x
  2. Step 2: Convert to fraction form
    1,901,269,352.98/2,849,891,194.50 = 639,532,316.65/x
  3. Step 3: Cross multiply
    1,901,269,352.98x = 2,849,891,194.50 × 639,532,316.65
  4. Step 4: Simplify right side
    1,901,269,352.98x = 1,822,597,517,819,020,544
  5. Step 5: Solve for x
    x = 1,822,597,517,819,020,544/1,901,269,352.98
  6. Step 6: Final answer
    x = 958,621,415.19

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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.