Home / 940,581,753.40-1,409,172,018.90-804,532,857.40

Finding the Fourth Proportional to 940,581,753.40, 1,409,172,018.90 and 804,532,857.40

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Solution

The fourth proportional to 940,581,753.40, 1,409,172,018.90 and 804,532,857.40 is: 1,205,344,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,581,753.40 : 1,409,172,018.90 = 804,532,857.40 : x
  2. Step 2: Convert to fraction form
    940,581,753.40/1,409,172,018.90 = 804,532,857.40/x
  3. Step 3: Cross multiply
    940,581,753.40x = 1,409,172,018.90 × 804,532,857.40
  4. Step 4: Simplify right side
    940,581,753.40x = 1,133,725,190,933,743,872
  5. Step 5: Solve for x
    x = 1,133,725,190,933,743,872/940,581,753.40
  6. Step 6: Final answer
    x = 1,205,344,657.00

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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.