Home / 826,206,265.12-1,140,189,729.36-454,941,582.40

Finding the Fourth Proportional to 826,206,265.12, 1,140,189,729.36 and 454,941,582.40

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Solution

The fourth proportional to 826,206,265.12, 1,140,189,729.36 and 454,941,582.40 is: 627,833,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,206,265.12 : 1,140,189,729.36 = 454,941,582.40 : x
  2. Step 2: Convert to fraction form
    826,206,265.12/1,140,189,729.36 = 454,941,582.40/x
  3. Step 3: Cross multiply
    826,206,265.12x = 1,140,189,729.36 × 454,941,582.40
  4. Step 4: Simplify right side
    826,206,265.12x = 518,719,719,711,266,048
  5. Step 5: Solve for x
    x = 518,719,719,711,266,048/826,206,265.12
  6. Step 6: Final answer
    x = 627,833,195.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.