Home / 1,149,781,513.50-1,724,686,091.69-320,684,690.66

Finding the Fourth Proportional to 1,149,781,513.50, 1,724,686,091.69 and 320,684,690.66

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Solution

The fourth proportional to 1,149,781,513.50, 1,724,686,091.69 and 320,684,690.66 is: 481,030,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,781,513.50 : 1,724,686,091.69 = 320,684,690.66 : x
  2. Step 2: Convert to fraction form
    1,149,781,513.50/1,724,686,091.69 = 320,684,690.66/x
  3. Step 3: Cross multiply
    1,149,781,513.50x = 1,724,686,091.69 × 320,684,690.66
  4. Step 4: Simplify right side
    1,149,781,513.50x = 553,080,425,788,985,152
  5. Step 5: Solve for x
    x = 553,080,425,788,985,152/1,149,781,513.50
  6. Step 6: Final answer
    x = 481,030,890.91

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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.