Home / 313,380,616.67-432,009,459.20-219,001,743.39

Finding the Fourth Proportional to 313,380,616.67, 432,009,459.20 and 219,001,743.39

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Solution

The fourth proportional to 313,380,616.67, 432,009,459.20 and 219,001,743.39 is: 301,903,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,616.67 : 432,009,459.20 = 219,001,743.39 : x
  2. Step 2: Convert to fraction form
    313,380,616.67/432,009,459.20 = 219,001,743.39/x
  3. Step 3: Cross multiply
    313,380,616.67x = 432,009,459.20 × 219,001,743.39
  4. Step 4: Simplify right side
    313,380,616.67x = 94,610,824,724,676,064
  5. Step 5: Solve for x
    x = 94,610,824,724,676,064/313,380,616.67
  6. Step 6: Final answer
    x = 301,903,882.03

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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.