Home / 587,154,433.80-880,731,650.70-393,662,670.60

Finding the Fourth Proportional to 587,154,433.80, 880,731,650.70 and 393,662,670.60

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Solution

The fourth proportional to 587,154,433.80, 880,731,650.70 and 393,662,670.60 is: 590,494,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,154,433.80 : 880,731,650.70 = 393,662,670.60 : x
  2. Step 2: Convert to fraction form
    587,154,433.80/880,731,650.70 = 393,662,670.60/x
  3. Step 3: Cross multiply
    587,154,433.80x = 880,731,650.70 × 393,662,670.60
  4. Step 4: Simplify right side
    587,154,433.80x = 346,711,173,696,508,416
  5. Step 5: Solve for x
    x = 346,711,173,696,508,416/587,154,433.80
  6. Step 6: Final answer
    x = 590,494,005.90

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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.