Home / 1,287,095,632.98-1,930,661,385.57-366,971,971.61

Finding the Fourth Proportional to 1,287,095,632.98, 1,930,661,385.57 and 366,971,971.61

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Solution

The fourth proportional to 1,287,095,632.98, 1,930,661,385.57 and 366,971,971.61 is: 550,463,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,095,632.98 : 1,930,661,385.57 = 366,971,971.61 : x
  2. Step 2: Convert to fraction form
    1,287,095,632.98/1,930,661,385.57 = 366,971,971.61/x
  3. Step 3: Cross multiply
    1,287,095,632.98x = 1,930,661,385.57 × 366,971,971.61
  4. Step 4: Simplify right side
    1,287,095,632.98x = 708,498,615,164,264,064
  5. Step 5: Solve for x
    x = 708,498,615,164,264,064/1,287,095,632.98
  6. Step 6: Final answer
    x = 550,463,071.28

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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.