Home / 825,032,168,130.72-1,237,547,960,919.30-220,641,665,318.98

Finding the Fourth Proportional to 825,032,168,130.72, 1,237,547,960,919.30 and 220,641,665,318.98

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Solution

The fourth proportional to 825,032,168,130.72, 1,237,547,960,919.30 and 220,641,665,318.98 is: 330,962,420,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,032,168,130.72 : 1,237,547,960,919.30 = 220,641,665,318.98 : x
  2. Step 2: Convert to fraction form
    825,032,168,130.72/1,237,547,960,919.30 = 220,641,665,318.98/x
  3. Step 3: Cross multiply
    825,032,168,130.72x = 1,237,547,960,919.30 × 220,641,665,318.98
  4. Step 4: Simplify right side
    825,032,168,130.72x = 273,054,643,009,342,354,227,200
  5. Step 5: Solve for x
    x = 273,054,643,009,342,354,227,200/825,032,168,130.72
  6. Step 6: Final answer
    x = 330,962,420,081.15

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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.