Home / 314,828,769.48-434,465,210.88-173,699,982.78

Finding the Fourth Proportional to 314,828,769.48, 434,465,210.88 and 173,699,982.78

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Solution

The fourth proportional to 314,828,769.48, 434,465,210.88 and 173,699,982.78 is: 239,706,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,828,769.48 : 434,465,210.88 = 173,699,982.78 : x
  2. Step 2: Convert to fraction form
    314,828,769.48/434,465,210.88 = 173,699,982.78/x
  3. Step 3: Cross multiply
    314,828,769.48x = 434,465,210.88 × 173,699,982.78
  4. Step 4: Simplify right side
    314,828,769.48x = 75,466,599,648,365,072
  5. Step 5: Solve for x
    x = 75,466,599,648,365,072/314,828,769.48
  6. Step 6: Final answer
    x = 239,706,808.79

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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.