Home / 19,129,079,712.60-28,698,994,340.10-9,314,747,501.40

Finding the Fourth Proportional to 19,129,079,712.60, 28,698,994,340.10 and 9,314,747,501.40

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Solution

The fourth proportional to 19,129,079,712.60, 28,698,994,340.10 and 9,314,747,501.40 is: 13,974,738,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129,079,712.60 : 28,698,994,340.10 = 9,314,747,501.40 : x
  2. Step 2: Convert to fraction form
    19,129,079,712.60/28,698,994,340.10 = 9,314,747,501.40/x
  3. Step 3: Cross multiply
    19,129,079,712.60x = 28,698,994,340.10 × 9,314,747,501.40
  4. Step 4: Simplify right side
    19,129,079,712.60x = 267,323,885,822,139,203,584
  5. Step 5: Solve for x
    x = 267,323,885,822,139,203,584/19,129,079,712.60
  6. Step 6: Final answer
    x = 13,974,738,452.58

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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.