Home / 289,703,618.60-434,555,427.90-174,628,927.40

Finding the Fourth Proportional to 289,703,618.60, 434,555,427.90 and 174,628,927.40

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Solution

The fourth proportional to 289,703,618.60, 434,555,427.90 and 174,628,927.40 is: 261,943,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,703,618.60 : 434,555,427.90 = 174,628,927.40 : x
  2. Step 2: Convert to fraction form
    289,703,618.60/434,555,427.90 = 174,628,927.40/x
  3. Step 3: Cross multiply
    289,703,618.60x = 434,555,427.90 × 174,628,927.40
  4. Step 4: Simplify right side
    289,703,618.60x = 75,885,948,270,025,040
  5. Step 5: Solve for x
    x = 75,885,948,270,025,040/289,703,618.60
  6. Step 6: Final answer
    x = 261,943,391.10

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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.