Home / 708,593,837.70-1,062,890,756.55-417,311,025.60

Finding the Fourth Proportional to 708,593,837.70, 1,062,890,756.55 and 417,311,025.60

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Solution

The fourth proportional to 708,593,837.70, 1,062,890,756.55 and 417,311,025.60 is: 625,966,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,593,837.70 : 1,062,890,756.55 = 417,311,025.60 : x
  2. Step 2: Convert to fraction form
    708,593,837.70/1,062,890,756.55 = 417,311,025.60/x
  3. Step 3: Cross multiply
    708,593,837.70x = 1,062,890,756.55 × 417,311,025.60
  4. Step 4: Simplify right side
    708,593,837.70x = 443,556,031,716,640,448
  5. Step 5: Solve for x
    x = 443,556,031,716,640,448/708,593,837.70
  6. Step 6: Final answer
    x = 625,966,538.40

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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.