Home / 803,010,910.48-1,204,459,503.50-212,788,082.16

Finding the Fourth Proportional to 803,010,910.48, 1,204,459,503.50 and 212,788,082.16

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Solution

The fourth proportional to 803,010,910.48, 1,204,459,503.50 and 212,788,082.16 is: 319,167,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,010,910.48 : 1,204,459,503.50 = 212,788,082.16 : x
  2. Step 2: Convert to fraction form
    803,010,910.48/1,204,459,503.50 = 212,788,082.16/x
  3. Step 3: Cross multiply
    803,010,910.48x = 1,204,459,503.50 × 212,788,082.16
  4. Step 4: Simplify right side
    803,010,910.48x = 256,294,627,789,682,784
  5. Step 5: Solve for x
    x = 256,294,627,789,682,784/803,010,910.48
  6. Step 6: Final answer
    x = 319,167,055.45

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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.