Home / 816,621,391,967-1,126,939,189,837.40-450,816,098,427.74

Finding the Fourth Proportional to 816,621,391,967, 1,126,939,189,837.40 and 450,816,098,427.74

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Solution

The fourth proportional to 816,621,391,967, 1,126,939,189,837.40 and 450,816,098,427.74 is: 622,127,137,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,621,391,967 : 1,126,939,189,837.40 = 450,816,098,427.74 : x
  2. Step 2: Convert to fraction form
    816,621,391,967/1,126,939,189,837.40 = 450,816,098,427.74/x
  3. Step 3: Cross multiply
    816,621,391,967x = 1,126,939,189,837.40 × 450,816,098,427.74
  4. Step 4: Simplify right side
    816,621,391,967x = 508,042,328,727,814,852,837,376
  5. Step 5: Solve for x
    x = 508,042,328,727,814,852,837,376/816,621,391,967
  6. Step 6: Final answer
    x = 622,127,137,159.72

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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.