Home / 468,461,827.85-645,670,398.17-311,548,558.19

Finding the Fourth Proportional to 468,461,827.85, 645,670,398.17 and 311,548,558.19

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Solution

The fourth proportional to 468,461,827.85, 645,670,398.17 and 311,548,558.19 is: 429,400,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,461,827.85 : 645,670,398.17 = 311,548,558.19 : x
  2. Step 2: Convert to fraction form
    468,461,827.85/645,670,398.17 = 311,548,558.19/x
  3. Step 3: Cross multiply
    468,461,827.85x = 645,670,398.17 × 311,548,558.19
  4. Step 4: Simplify right side
    468,461,827.85x = 201,157,681,614,268,960
  5. Step 5: Solve for x
    x = 201,157,681,614,268,960/468,461,827.85
  6. Step 6: Final answer
    x = 429,400,368.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.