Home / 1,243,033,986.10-1,864,774,927.95-516,096,181.30

Finding the Fourth Proportional to 1,243,033,986.10, 1,864,774,927.95 and 516,096,181.30

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Solution

The fourth proportional to 1,243,033,986.10, 1,864,774,927.95 and 516,096,181.30 is: 774,237,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,033,986.10 : 1,864,774,927.95 = 516,096,181.30 : x
  2. Step 2: Convert to fraction form
    1,243,033,986.10/1,864,774,927.95 = 516,096,181.30/x
  3. Step 3: Cross multiply
    1,243,033,986.10x = 1,864,774,927.95 × 516,096,181.30
  4. Step 4: Simplify right side
    1,243,033,986.10x = 962,403,219,298,977,664
  5. Step 5: Solve for x
    x = 962,403,219,298,977,664/1,243,033,986.10
  6. Step 6: Final answer
    x = 774,237,253.41

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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.