Home / 3,558,528,981.60-5,337,793,472.40-938,328,021.60

Finding the Fourth Proportional to 3,558,528,981.60, 5,337,793,472.40 and 938,328,021.60

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Solution

The fourth proportional to 3,558,528,981.60, 5,337,793,472.40 and 938,328,021.60 is: 1,407,492,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558,528,981.60 : 5,337,793,472.40 = 938,328,021.60 : x
  2. Step 2: Convert to fraction form
    3,558,528,981.60/5,337,793,472.40 = 938,328,021.60/x
  3. Step 3: Cross multiply
    3,558,528,981.60x = 5,337,793,472.40 × 938,328,021.60
  4. Step 4: Simplify right side
    3,558,528,981.60x = 5,008,601,188,666,485,760
  5. Step 5: Solve for x
    x = 5,008,601,188,666,485,760/3,558,528,981.60
  6. Step 6: Final answer
    x = 1,407,492,032.40

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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.