Home / 673,618,759.80-1,010,428,139.70-623,230,279.80

Finding the Fourth Proportional to 673,618,759.80, 1,010,428,139.70 and 623,230,279.80

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Solution

The fourth proportional to 673,618,759.80, 1,010,428,139.70 and 623,230,279.80 is: 934,845,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,618,759.80 : 1,010,428,139.70 = 623,230,279.80 : x
  2. Step 2: Convert to fraction form
    673,618,759.80/1,010,428,139.70 = 623,230,279.80/x
  3. Step 3: Cross multiply
    673,618,759.80x = 1,010,428,139.70 × 623,230,279.80
  4. Step 4: Simplify right side
    673,618,759.80x = 629,729,412,223,024,512
  5. Step 5: Solve for x
    x = 629,729,412,223,024,512/673,618,759.80
  6. Step 6: Final answer
    x = 934,845,419.70

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1.5x scale

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.