Home / 14,991,477,833.60-20,688,241,371.36-8,308,905,827.84

Finding the Fourth Proportional to 14,991,477,833.60, 20,688,241,371.36 and 8,308,905,827.84

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Solution

The fourth proportional to 14,991,477,833.60, 20,688,241,371.36 and 8,308,905,827.84 is: 11,466,291,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,477,833.60 : 20,688,241,371.36 = 8,308,905,827.84 : x
  2. Step 2: Convert to fraction form
    14,991,477,833.60/20,688,241,371.36 = 8,308,905,827.84/x
  3. Step 3: Cross multiply
    14,991,477,833.60x = 20,688,241,371.36 × 8,308,905,827.84
  4. Step 4: Simplify right side
    14,991,477,833.60x = 171,896,649,298,253,709,312
  5. Step 5: Solve for x
    x = 171,896,649,298,253,709,312/14,991,477,833.60
  6. Step 6: Final answer
    x = 11,466,291,129.28

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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.