Home / 20,782,411,667.12-31,173,616,898.04-9,586,973,471.60

Finding the Fourth Proportional to 20,782,411,667.12, 31,173,616,898.04 and 9,586,973,471.60

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Solution

The fourth proportional to 20,782,411,667.12, 31,173,616,898.04 and 9,586,973,471.60 is: 14,380,459,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,782,411,667.12 : 31,173,616,898.04 = 9,586,973,471.60 : x
  2. Step 2: Convert to fraction form
    20,782,411,667.12/31,173,616,898.04 = 9,586,973,471.60/x
  3. Step 3: Cross multiply
    20,782,411,667.12x = 31,173,616,898.04 × 9,586,973,471.60
  4. Step 4: Simplify right side
    20,782,411,667.12x = 298,860,638,215,330,988,032
  5. Step 5: Solve for x
    x = 298,860,638,215,330,988,032/20,782,411,667.12
  6. Step 6: Final answer
    x = 14,380,459,929.40

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1.5x scale

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.