Home / 854,904,389.81-1,179,770,329.06-463,763,813.81

Finding the Fourth Proportional to 854,904,389.81, 1,179,770,329.06 and 463,763,813.81

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Solution

The fourth proportional to 854,904,389.81, 1,179,770,329.06 and 463,763,813.81 is: 639,995,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,904,389.81 : 1,179,770,329.06 = 463,763,813.81 : x
  2. Step 2: Convert to fraction form
    854,904,389.81/1,179,770,329.06 = 463,763,813.81/x
  3. Step 3: Cross multiply
    854,904,389.81x = 1,179,770,329.06 × 463,763,813.81
  4. Step 4: Simplify right side
    854,904,389.81x = 547,134,787,217,685,952
  5. Step 5: Solve for x
    x = 547,134,787,217,685,952/854,904,389.81
  6. Step 6: Final answer
    x = 639,995,295.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.