Home / 853,009,459.57-1,279,563,790.52-239,641,515.01

Finding the Fourth Proportional to 853,009,459.57, 1,279,563,790.52 and 239,641,515.01

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Solution

The fourth proportional to 853,009,459.57, 1,279,563,790.52 and 239,641,515.01 is: 359,476,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,009,459.57 : 1,279,563,790.52 = 239,641,515.01 : x
  2. Step 2: Convert to fraction form
    853,009,459.57/1,279,563,790.52 = 239,641,515.01/x
  3. Step 3: Cross multiply
    853,009,459.57x = 1,279,563,790.52 × 239,641,515.01
  4. Step 4: Simplify right side
    853,009,459.57x = 306,636,605,312,151,040
  5. Step 5: Solve for x
    x = 306,636,605,312,151,040/853,009,459.57
  6. Step 6: Final answer
    x = 359,476,207.29

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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.