Home / 19,315,584,403.70-28,973,376,605.55-18,580,920,365.30

Finding the Fourth Proportional to 19,315,584,403.70, 28,973,376,605.55 and 18,580,920,365.30

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Solution

The fourth proportional to 19,315,584,403.70, 28,973,376,605.55 and 18,580,920,365.30 is: 27,871,380,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,403.70 : 28,973,376,605.55 = 18,580,920,365.30 : x
  2. Step 2: Convert to fraction form
    19,315,584,403.70/28,973,376,605.55 = 18,580,920,365.30/x
  3. Step 3: Cross multiply
    19,315,584,403.70x = 28,973,376,605.55 × 18,580,920,365.30
  4. Step 4: Simplify right side
    19,315,584,403.70x = 538,352,003,421,570,531,328
  5. Step 5: Solve for x
    x = 538,352,003,421,570,531,328/19,315,584,403.70
  6. Step 6: Final answer
    x = 27,871,380,547.95

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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.