Home / 680,041,979,389.55-1,020,206,250,391.60-220,540,820,206.96

Finding the Fourth Proportional to 680,041,979,389.55, 1,020,206,250,391.60 and 220,540,820,206.96

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Solution

The fourth proportional to 680,041,979,389.55, 1,020,206,250,391.60 and 220,540,820,206.96 is: 330,857,697,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,041,979,389.55 : 1,020,206,250,391.60 = 220,540,820,206.96 : x
  2. Step 2: Convert to fraction form
    680,041,979,389.55/1,020,206,250,391.60 = 220,540,820,206.96/x
  3. Step 3: Cross multiply
    680,041,979,389.55x = 1,020,206,250,391.60 × 220,540,820,206.96
  4. Step 4: Simplify right side
    680,041,979,389.55x = 224,997,123,241,630,668,685,312
  5. Step 5: Solve for x
    x = 224,997,123,241,630,668,685,312/680,041,979,389.55
  6. Step 6: Final answer
    x = 330,857,697,113.94

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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.