Home / 19,315,584,848.20-28,973,377,272.30-18,580,920,809.80

Finding the Fourth Proportional to 19,315,584,848.20, 28,973,377,272.30 and 18,580,920,809.80

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Solution

The fourth proportional to 19,315,584,848.20, 28,973,377,272.30 and 18,580,920,809.80 is: 27,871,381,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,848.20 : 28,973,377,272.30 = 18,580,920,809.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,848.20/28,973,377,272.30 = 18,580,920,809.80/x
  3. Step 3: Cross multiply
    19,315,584,848.20x = 28,973,377,272.30 × 18,580,920,809.80
  4. Step 4: Simplify right side
    19,315,584,848.20x = 538,352,028,689,065,377,792
  5. Step 5: Solve for x
    x = 538,352,028,689,065,377,792/19,315,584,848.20
  6. Step 6: Final answer
    x = 27,871,381,214.70

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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.