Home / 906,912,074.20-1,360,567,176.90-447,070,538.20

Finding the Fourth Proportional to 906,912,074.20, 1,360,567,176.90 and 447,070,538.20

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Solution

The fourth proportional to 906,912,074.20, 1,360,567,176.90 and 447,070,538.20 is: 670,703,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,912,074.20 : 1,360,567,176.90 = 447,070,538.20 : x
  2. Step 2: Convert to fraction form
    906,912,074.20/1,360,567,176.90 = 447,070,538.20/x
  3. Step 3: Cross multiply
    906,912,074.20x = 1,360,567,176.90 × 447,070,538.20
  4. Step 4: Simplify right side
    906,912,074.20x = 608,269,500,033,937,664
  5. Step 5: Solve for x
    x = 608,269,500,033,937,664/906,912,074.20
  6. Step 6: Final answer
    x = 670,703,938.49

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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.