Home / 517,639,372.80-776,459,059.20-401,997,811.20

Finding the Fourth Proportional to 517,639,372.80, 776,459,059.20 and 401,997,811.20

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Solution

The fourth proportional to 517,639,372.80, 776,459,059.20 and 401,997,811.20 is: 602,996,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,639,372.80 : 776,459,059.20 = 401,997,811.20 : x
  2. Step 2: Convert to fraction form
    517,639,372.80/776,459,059.20 = 401,997,811.20/x
  3. Step 3: Cross multiply
    517,639,372.80x = 776,459,059.20 × 401,997,811.20
  4. Step 4: Simplify right side
    517,639,372.80x = 312,134,842,284,811,264
  5. Step 5: Solve for x
    x = 312,134,842,284,811,264/517,639,372.80
  6. Step 6: Final answer
    x = 602,996,716.80

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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.