Home / 18,685,693,446.72-28,028,612,886.93-4,520,636,468.70

Finding the Fourth Proportional to 18,685,693,446.72, 28,028,612,886.93 and 4,520,636,468.70

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Solution

The fourth proportional to 18,685,693,446.72, 28,028,612,886.93 and 4,520,636,468.70 is: 6,780,972,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,693,446.72 : 28,028,612,886.93 = 4,520,636,468.70 : x
  2. Step 2: Convert to fraction form
    18,685,693,446.72/28,028,612,886.93 = 4,520,636,468.70/x
  3. Step 3: Cross multiply
    18,685,693,446.72x = 28,028,612,886.93 × 4,520,636,468.70
  4. Step 4: Simplify right side
    18,685,693,446.72x = 126,707,169,583,730,540,544
  5. Step 5: Solve for x
    x = 126,707,169,583,730,540,544/18,685,693,446.72
  6. Step 6: Final answer
    x = 6,780,972,295.46

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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.