Home / 688,455,334.63-1,032,901,306.91-245,788,517.83

Finding the Fourth Proportional to 688,455,334.63, 1,032,901,306.91 and 245,788,517.83

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Solution

The fourth proportional to 688,455,334.63, 1,032,901,306.91 and 245,788,517.83 is: 368,760,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,455,334.63 : 1,032,901,306.91 = 245,788,517.83 : x
  2. Step 2: Convert to fraction form
    688,455,334.63/1,032,901,306.91 = 245,788,517.83/x
  3. Step 3: Cross multiply
    688,455,334.63x = 1,032,901,306.91 × 245,788,517.83
  4. Step 4: Simplify right side
    688,455,334.63x = 253,875,281,290,078,848
  5. Step 5: Solve for x
    x = 253,875,281,290,078,848/688,455,334.63
  6. Step 6: Final answer
    x = 368,760,714.78

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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.