Home / 558,745,673.63-771,092,817.15-311,227,137.23

Finding the Fourth Proportional to 558,745,673.63, 771,092,817.15 and 311,227,137.23

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Solution

The fourth proportional to 558,745,673.63, 771,092,817.15 and 311,227,137.23 is: 429,506,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,745,673.63 : 771,092,817.15 = 311,227,137.23 : x
  2. Step 2: Convert to fraction form
    558,745,673.63/771,092,817.15 = 311,227,137.23/x
  3. Step 3: Cross multiply
    558,745,673.63x = 771,092,817.15 × 311,227,137.23
  4. Step 4: Simplify right side
    558,745,673.63x = 239,985,010,016,354,880
  5. Step 5: Solve for x
    x = 239,985,010,016,354,880/558,745,673.63
  6. Step 6: Final answer
    x = 429,506,699.28

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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.