Home / 289,705,503.60-434,558,255.40-174,630,812.40

Finding the Fourth Proportional to 289,705,503.60, 434,558,255.40 and 174,630,812.40

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Solution

The fourth proportional to 289,705,503.60, 434,558,255.40 and 174,630,812.40 is: 261,946,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,705,503.60 : 434,558,255.40 = 174,630,812.40 : x
  2. Step 2: Convert to fraction form
    289,705,503.60/434,558,255.40 = 174,630,812.40/x
  3. Step 3: Cross multiply
    289,705,503.60x = 434,558,255.40 × 174,630,812.40
  4. Step 4: Simplify right side
    289,705,503.60x = 75,887,261,175,628,688
  5. Step 5: Solve for x
    x = 75,887,261,175,628,688/289,705,503.60
  6. Step 6: Final answer
    x = 261,946,218.60

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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.