Home / 18,685,693,188.42-28,028,612,499.57-4,520,636,210.58

Finding the Fourth Proportional to 18,685,693,188.42, 28,028,612,499.57 and 4,520,636,210.58

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Solution

The fourth proportional to 18,685,693,188.42, 28,028,612,499.57 and 4,520,636,210.58 is: 6,780,971,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,693,188.42 : 28,028,612,499.57 = 4,520,636,210.58 : x
  2. Step 2: Convert to fraction form
    18,685,693,188.42/28,028,612,499.57 = 4,520,636,210.58/x
  3. Step 3: Cross multiply
    18,685,693,188.42x = 28,028,612,499.57 × 4,520,636,210.58
  4. Step 4: Simplify right side
    18,685,693,188.42x = 126,707,160,597,871,345,664
  5. Step 5: Solve for x
    x = 126,707,160,597,871,345,664/18,685,693,188.42
  6. Step 6: Final answer
    x = 6,780,971,908.30

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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.