Home / 1,176,775,245.40-1,765,162,868.10-768,628,557.40

Finding the Fourth Proportional to 1,176,775,245.40, 1,765,162,868.10 and 768,628,557.40

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Solution

The fourth proportional to 1,176,775,245.40, 1,765,162,868.10 and 768,628,557.40 is: 1,152,942,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,775,245.40 : 1,765,162,868.10 = 768,628,557.40 : x
  2. Step 2: Convert to fraction form
    1,176,775,245.40/1,765,162,868.10 = 768,628,557.40/x
  3. Step 3: Cross multiply
    1,176,775,245.40x = 1,765,162,868.10 × 768,628,557.40
  4. Step 4: Simplify right side
    1,176,775,245.40x = 1,356,754,588,883,749,376
  5. Step 5: Solve for x
    x = 1,356,754,588,883,749,376/1,176,775,245.40
  6. Step 6: Final answer
    x = 1,152,942,836.10

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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.