Home / 1,434,826,747.40-2,150,885,930.70-778,810,728.20

Finding the Fourth Proportional to 1,434,826,747.40, 2,150,885,930.70 and 778,810,728.20

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Solution

The fourth proportional to 1,434,826,747.40, 2,150,885,930.70 and 778,810,728.20 is: 1,167,481,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,826,747.40 : 2,150,885,930.70 = 778,810,728.20 : x
  2. Step 2: Convert to fraction form
    1,434,826,747.40/2,150,885,930.70 = 778,810,728.20/x
  3. Step 3: Cross multiply
    1,434,826,747.40x = 2,150,885,930.70 × 778,810,728.20
  4. Step 4: Simplify right side
    1,434,826,747.40x = 1,675,133,037,963,601,664
  5. Step 5: Solve for x
    x = 1,675,133,037,963,601,664/1,434,826,747.40
  6. Step 6: Final answer
    x = 1,167,481,050.24

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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.