Home / 289,703,617.60-434,555,426.40-174,628,926.40

Finding the Fourth Proportional to 289,703,617.60, 434,555,426.40 and 174,628,926.40

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Solution

The fourth proportional to 289,703,617.60, 434,555,426.40 and 174,628,926.40 is: 261,943,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,703,617.60 : 434,555,426.40 = 174,628,926.40 : x
  2. Step 2: Convert to fraction form
    289,703,617.60/434,555,426.40 = 174,628,926.40/x
  3. Step 3: Cross multiply
    289,703,617.60x = 434,555,426.40 × 174,628,926.40
  4. Step 4: Simplify right side
    289,703,617.60x = 75,885,947,573,526,208
  5. Step 5: Solve for x
    x = 75,885,947,573,526,208/289,703,617.60
  6. Step 6: Final answer
    x = 261,943,389.60

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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.