Home / 1,010,406,555.20-1,515,609,832.80-683,889,204.80

Finding the Fourth Proportional to 1,010,406,555.20, 1,515,609,832.80 and 683,889,204.80

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Solution

The fourth proportional to 1,010,406,555.20, 1,515,609,832.80 and 683,889,204.80 is: 1,025,833,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,406,555.20 : 1,515,609,832.80 = 683,889,204.80 : x
  2. Step 2: Convert to fraction form
    1,010,406,555.20/1,515,609,832.80 = 683,889,204.80/x
  3. Step 3: Cross multiply
    1,010,406,555.20x = 1,515,609,832.80 × 683,889,204.80
  4. Step 4: Simplify right side
    1,010,406,555.20x = 1,036,509,203,340,652,800
  5. Step 5: Solve for x
    x = 1,036,509,203,340,652,800/1,010,406,555.20
  6. Step 6: Final answer
    x = 1,025,833,807.20

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Double scale
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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.