Home / 471,035,995.61-706,659,372.86-143,537,140.13

Finding the Fourth Proportional to 471,035,995.61, 706,659,372.86 and 143,537,140.13

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Solution

The fourth proportional to 471,035,995.61, 706,659,372.86 and 143,537,140.13 is: 215,337,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,035,995.61 : 706,659,372.86 = 143,537,140.13 : x
  2. Step 2: Convert to fraction form
    471,035,995.61/706,659,372.86 = 143,537,140.13/x
  3. Step 3: Cross multiply
    471,035,995.61x = 706,659,372.86 × 143,537,140.13
  4. Step 4: Simplify right side
    471,035,995.61x = 101,431,865,422,132,752
  5. Step 5: Solve for x
    x = 101,431,865,422,132,752/471,035,995.61
  6. Step 6: Final answer
    x = 215,337,822.10

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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.