Home / 857,871,282.40-1,182,447,588.90-606,651,642.16

Finding the Fourth Proportional to 857,871,282.40, 1,182,447,588.90 and 606,651,642.16

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Solution

The fourth proportional to 857,871,282.40, 1,182,447,588.90 and 606,651,642.16 is: 836,178,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,871,282.40 : 1,182,447,588.90 = 606,651,642.16 : x
  2. Step 2: Convert to fraction form
    857,871,282.40/1,182,447,588.90 = 606,651,642.16/x
  3. Step 3: Cross multiply
    857,871,282.40x = 1,182,447,588.90 × 606,651,642.16
  4. Step 4: Simplify right side
    857,871,282.40x = 717,333,771,574,317,568
  5. Step 5: Solve for x
    x = 717,333,771,574,317,568/857,871,282.40
  6. Step 6: Final answer
    x = 836,178,790.79

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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.