Home / 1,287,095,632.02-1,930,661,384.20-366,971,970.65

Finding the Fourth Proportional to 1,287,095,632.02, 1,930,661,384.20 and 366,971,970.65

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Solution

The fourth proportional to 1,287,095,632.02, 1,930,661,384.20 and 366,971,970.65 is: 550,463,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,095,632.02 : 1,930,661,384.20 = 366,971,970.65 : x
  2. Step 2: Convert to fraction form
    1,287,095,632.02/1,930,661,384.20 = 366,971,970.65/x
  3. Step 3: Cross multiply
    1,287,095,632.02x = 1,930,661,384.20 × 366,971,970.65
  4. Step 4: Simplify right side
    1,287,095,632.02x = 708,498,612,807,159,936
  5. Step 5: Solve for x
    x = 708,498,612,807,159,936/1,287,095,632.02
  6. Step 6: Final answer
    x = 550,463,069.86

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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.