Home / 855,123,485.80-1,282,685,228.70-732,679,479.40

Finding the Fourth Proportional to 855,123,485.80, 1,282,685,228.70 and 732,679,479.40

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Solution

The fourth proportional to 855,123,485.80, 1,282,685,228.70 and 732,679,479.40 is: 1,099,019,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,123,485.80 : 1,282,685,228.70 = 732,679,479.40 : x
  2. Step 2: Convert to fraction form
    855,123,485.80/1,282,685,228.70 = 732,679,479.40/x
  3. Step 3: Cross multiply
    855,123,485.80x = 1,282,685,228.70 × 732,679,479.40
  4. Step 4: Simplify right side
    855,123,485.80x = 939,797,145,597,985,920
  5. Step 5: Solve for x
    x = 939,797,145,597,985,920/855,123,485.80
  6. Step 6: Final answer
    x = 1,099,019,219.10

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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.