Home / 1,287,095,631.48-1,930,661,383.32-366,971,970.11

Finding the Fourth Proportional to 1,287,095,631.48, 1,930,661,383.32 and 366,971,970.11

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Solution

The fourth proportional to 1,287,095,631.48, 1,930,661,383.32 and 366,971,970.11 is: 550,463,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,095,631.48 : 1,930,661,383.32 = 366,971,970.11 : x
  2. Step 2: Convert to fraction form
    1,287,095,631.48/1,930,661,383.32 = 366,971,970.11/x
  3. Step 3: Cross multiply
    1,287,095,631.48x = 1,930,661,383.32 × 366,971,970.11
  4. Step 4: Simplify right side
    1,287,095,631.48x = 708,498,611,442,584,960
  5. Step 5: Solve for x
    x = 708,498,611,442,584,960/1,287,095,631.48
  6. Step 6: Final answer
    x = 550,463,069.03

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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.