Home / 688,455,336.13-1,032,901,309.16-245,788,519.33

Finding the Fourth Proportional to 688,455,336.13, 1,032,901,309.16 and 245,788,519.33

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Solution

The fourth proportional to 688,455,336.13, 1,032,901,309.16 and 245,788,519.33 is: 368,760,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,455,336.13 : 1,032,901,309.16 = 245,788,519.33 : x
  2. Step 2: Convert to fraction form
    688,455,336.13/1,032,901,309.16 = 245,788,519.33/x
  3. Step 3: Cross multiply
    688,455,336.13x = 1,032,901,309.16 × 245,788,519.33
  4. Step 4: Simplify right side
    688,455,336.13x = 253,875,283,392,454,976
  5. Step 5: Solve for x
    x = 253,875,283,392,454,976/688,455,336.13
  6. Step 6: Final answer
    x = 368,760,717.03

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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.