Home / 1,636,721,011.20-2,455,081,516.80-1,120,160,359.20

Finding the Fourth Proportional to 1,636,721,011.20, 2,455,081,516.80 and 1,120,160,359.20

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Solution

The fourth proportional to 1,636,721,011.20, 2,455,081,516.80 and 1,120,160,359.20 is: 1,680,240,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,721,011.20 : 2,455,081,516.80 = 1,120,160,359.20 : x
  2. Step 2: Convert to fraction form
    1,636,721,011.20/2,455,081,516.80 = 1,120,160,359.20/x
  3. Step 3: Cross multiply
    1,636,721,011.20x = 2,455,081,516.80 × 1,120,160,359.20
  4. Step 4: Simplify right side
    1,636,721,011.20x = 2,750,084,993,723,969,024
  5. Step 5: Solve for x
    x = 2,750,084,993,723,969,024/1,636,721,011.20
  6. Step 6: Final answer
    x = 1,680,240,538.80

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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.