Home / 803,010,905.98-1,204,459,496.75-212,788,077.66

Finding the Fourth Proportional to 803,010,905.98, 1,204,459,496.75 and 212,788,077.66

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Solution

The fourth proportional to 803,010,905.98, 1,204,459,496.75 and 212,788,077.66 is: 319,167,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,010,905.98 : 1,204,459,496.75 = 212,788,077.66 : x
  2. Step 2: Convert to fraction form
    803,010,905.98/1,204,459,496.75 = 212,788,077.66/x
  3. Step 3: Cross multiply
    803,010,905.98x = 1,204,459,496.75 × 212,788,077.66
  4. Step 4: Simplify right side
    803,010,905.98x = 256,294,620,933,295,488
  5. Step 5: Solve for x
    x = 256,294,620,933,295,488/803,010,905.98
  6. Step 6: Final answer
    x = 319,167,048.70

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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.