Home / 20,984,973,023.01-31,445,429,031.96-12,459,567,550.72

Finding the Fourth Proportional to 20,984,973,023.01, 31,445,429,031.96 and 12,459,567,550.72

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Solution

The fourth proportional to 20,984,973,023.01, 31,445,429,031.96 and 12,459,567,550.72 is: 18,670,333,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984,973,023.01 : 31,445,429,031.96 = 12,459,567,550.72 : x
  2. Step 2: Convert to fraction form
    20,984,973,023.01/31,445,429,031.96 = 12,459,567,550.72/x
  3. Step 3: Cross multiply
    20,984,973,023.01x = 31,445,429,031.96 × 12,459,567,550.72
  4. Step 4: Simplify right side
    20,984,973,023.01x = 391,796,447,184,920,182,784
  5. Step 5: Solve for x
    x = 391,796,447,184,920,182,784/20,984,973,023.01
  6. Step 6: Final answer
    x = 18,670,333,612.31

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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.