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Finding the Fourth Proportional to 940,581,790.90, 1,409,172,075.15 and 804,532,894.90

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Solution

The fourth proportional to 940,581,790.90, 1,409,172,075.15 and 804,532,894.90 is: 1,205,344,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,581,790.90 : 1,409,172,075.15 = 804,532,894.90 : x
  2. Step 2: Convert to fraction form
    940,581,790.90/1,409,172,075.15 = 804,532,894.90/x
  3. Step 3: Cross multiply
    940,581,790.90x = 1,409,172,075.15 × 804,532,894.90
  4. Step 4: Simplify right side
    940,581,790.90x = 1,133,725,289,032,669,952
  5. Step 5: Solve for x
    x = 1,133,725,289,032,669,952/940,581,790.90
  6. Step 6: Final answer
    x = 1,205,344,713.24

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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.