Home / 587,176,000.80-880,764,001.20-393,684,237.60

Finding the Fourth Proportional to 587,176,000.80, 880,764,001.20 and 393,684,237.60

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Solution

The fourth proportional to 587,176,000.80, 880,764,001.20 and 393,684,237.60 is: 590,526,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,176,000.80 : 880,764,001.20 = 393,684,237.60 : x
  2. Step 2: Convert to fraction form
    587,176,000.80/880,764,001.20 = 393,684,237.60/x
  3. Step 3: Cross multiply
    587,176,000.80x = 880,764,001.20 × 393,684,237.60
  4. Step 4: Simplify right side
    587,176,000.80x = 346,742,904,317,947,520
  5. Step 5: Solve for x
    x = 346,742,904,317,947,520/587,176,000.80
  6. Step 6: Final answer
    x = 590,526,356.40

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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.