Home / 918,962,300.58-1,268,176,068.45-501,276,443.46

Finding the Fourth Proportional to 918,962,300.58, 1,268,176,068.45 and 501,276,443.46

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Solution

The fourth proportional to 918,962,300.58, 1,268,176,068.45 and 501,276,443.46 is: 691,765,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,962,300.58 : 1,268,176,068.45 = 501,276,443.46 : x
  2. Step 2: Convert to fraction form
    918,962,300.58/1,268,176,068.45 = 501,276,443.46/x
  3. Step 3: Cross multiply
    918,962,300.58x = 1,268,176,068.45 × 501,276,443.46
  4. Step 4: Simplify right side
    918,962,300.58x = 635,706,789,273,701,504
  5. Step 5: Solve for x
    x = 635,706,789,273,701,504/918,962,300.58
  6. Step 6: Final answer
    x = 691,765,906.91

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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.