Home / 626,810,683.60-940,216,025.40-526,481,621.20

Finding the Fourth Proportional to 626,810,683.60, 940,216,025.40 and 526,481,621.20

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Solution

The fourth proportional to 626,810,683.60, 940,216,025.40 and 526,481,621.20 is: 789,722,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,810,683.60 : 940,216,025.40 = 526,481,621.20 : x
  2. Step 2: Convert to fraction form
    626,810,683.60/940,216,025.40 = 526,481,621.20/x
  3. Step 3: Cross multiply
    626,810,683.60x = 940,216,025.40 × 526,481,621.20
  4. Step 4: Simplify right side
    626,810,683.60x = 495,006,457,330,812,352
  5. Step 5: Solve for x
    x = 495,006,457,330,812,352/626,810,683.60
  6. Step 6: Final answer
    x = 789,722,431.80

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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.