Home / 14,991,477,834.60-20,688,241,372.74-8,308,905,828.84

Finding the Fourth Proportional to 14,991,477,834.60, 20,688,241,372.74 and 8,308,905,828.84

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Solution

The fourth proportional to 14,991,477,834.60, 20,688,241,372.74 and 8,308,905,828.84 is: 11,466,291,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,477,834.60 : 20,688,241,372.74 = 8,308,905,828.84 : x
  2. Step 2: Convert to fraction form
    14,991,477,834.60/20,688,241,372.74 = 8,308,905,828.84/x
  3. Step 3: Cross multiply
    14,991,477,834.60x = 20,688,241,372.74 × 8,308,905,828.84
  4. Step 4: Simplify right side
    14,991,477,834.60x = 171,896,649,330,408,259,584
  5. Step 5: Solve for x
    x = 171,896,649,330,408,259,584/14,991,477,834.60
  6. Step 6: Final answer
    x = 11,466,291,130.66

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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.