Home / 1,864,992,986.40-2,796,733,652.40-637,529,613.60

Finding the Fourth Proportional to 1,864,992,986.40, 2,796,733,652.40 and 637,529,613.60

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Solution

The fourth proportional to 1,864,992,986.40, 2,796,733,652.40 and 637,529,613.60 is: 956,036,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,992,986.40 : 2,796,733,652.40 = 637,529,613.60 : x
  2. Step 2: Convert to fraction form
    1,864,992,986.40/2,796,733,652.40 = 637,529,613.60/x
  3. Step 3: Cross multiply
    1,864,992,986.40x = 2,796,733,652.40 × 637,529,613.60
  4. Step 4: Simplify right side
    1,864,992,986.40x = 1,783,000,524,756,688,896
  5. Step 5: Solve for x
    x = 1,783,000,524,756,688,896/1,864,992,986.40
  6. Step 6: Final answer
    x = 956,036,048.26

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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.