Home / 322,570,947.90-483,856,421.85-289,314,551.10

Finding the Fourth Proportional to 322,570,947.90, 483,856,421.85 and 289,314,551.10

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Solution

The fourth proportional to 322,570,947.90, 483,856,421.85 and 289,314,551.10 is: 433,971,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,570,947.90 : 483,856,421.85 = 289,314,551.10 : x
  2. Step 2: Convert to fraction form
    322,570,947.90/483,856,421.85 = 289,314,551.10/x
  3. Step 3: Cross multiply
    322,570,947.90x = 483,856,421.85 × 289,314,551.10
  4. Step 4: Simplify right side
    322,570,947.90x = 139,986,703,484,384,992
  5. Step 5: Solve for x
    x = 139,986,703,484,384,992/322,570,947.90
  6. Step 6: Final answer
    x = 433,971,826.65

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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.