Home / 1,170,072,300.80-1,755,368,266.80-393,696,048.80

Finding the Fourth Proportional to 1,170,072,300.80, 1,755,368,266.80 and 393,696,048.80

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Solution

The fourth proportional to 1,170,072,300.80, 1,755,368,266.80 and 393,696,048.80 is: 590,631,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,300.80 : 1,755,368,266.80 = 393,696,048.80 : x
  2. Step 2: Convert to fraction form
    1,170,072,300.80/1,755,368,266.80 = 393,696,048.80/x
  3. Step 3: Cross multiply
    1,170,072,300.80x = 1,755,368,266.80 × 393,696,048.80
  4. Step 4: Simplify right side
    1,170,072,300.80x = 691,081,550,828,064,256
  5. Step 5: Solve for x
    x = 691,081,550,828,064,256/1,170,072,300.80
  6. Step 6: Final answer
    x = 590,631,493.76

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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.