Home / 19,315,584,373.20-28,973,376,559.80-18,580,920,334.80

Finding the Fourth Proportional to 19,315,584,373.20, 28,973,376,559.80 and 18,580,920,334.80

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Solution

The fourth proportional to 19,315,584,373.20, 28,973,376,559.80 and 18,580,920,334.80 is: 27,871,380,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,373.20 : 28,973,376,559.80 = 18,580,920,334.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,373.20/28,973,376,559.80 = 18,580,920,334.80/x
  3. Step 3: Cross multiply
    19,315,584,373.20x = 28,973,376,559.80 × 18,580,920,334.80
  4. Step 4: Simplify right side
    19,315,584,373.20x = 538,352,001,687,805,427,712
  5. Step 5: Solve for x
    x = 538,352,001,687,805,427,712/19,315,584,373.20
  6. Step 6: Final answer
    x = 27,871,380,502.20

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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.