Home / 450,190,718.19-621,328,438.35-259,414,620.03

Finding the Fourth Proportional to 450,190,718.19, 621,328,438.35 and 259,414,620.03

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Solution

The fourth proportional to 450,190,718.19, 621,328,438.35 and 259,414,620.03 is: 358,029,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,190,718.19 : 621,328,438.35 = 259,414,620.03 : x
  2. Step 2: Convert to fraction form
    450,190,718.19/621,328,438.35 = 259,414,620.03/x
  3. Step 3: Cross multiply
    450,190,718.19x = 621,328,438.35 × 259,414,620.03
  4. Step 4: Simplify right side
    450,190,718.19x = 161,181,680,748,398,528
  5. Step 5: Solve for x
    x = 161,181,680,748,398,528/450,190,718.19
  6. Step 6: Final answer
    x = 358,029,773.24

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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.