Home / 804,818,675.40-1,207,228,013.10-287,266,000.20

Finding the Fourth Proportional to 804,818,675.40, 1,207,228,013.10 and 287,266,000.20

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Solution

The fourth proportional to 804,818,675.40, 1,207,228,013.10 and 287,266,000.20 is: 430,899,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,818,675.40 : 1,207,228,013.10 = 287,266,000.20 : x
  2. Step 2: Convert to fraction form
    804,818,675.40/1,207,228,013.10 = 287,266,000.20/x
  3. Step 3: Cross multiply
    804,818,675.40x = 1,207,228,013.10 × 287,266,000.20
  4. Step 4: Simplify right side
    804,818,675.40x = 346,795,562,652,630,144
  5. Step 5: Solve for x
    x = 346,795,562,652,630,144/804,818,675.40
  6. Step 6: Final answer
    x = 430,899,000.30

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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.