Home / 800,594,736.84-1,201,666,754.16-386,363,159.28

Finding the Fourth Proportional to 800,594,736.84, 1,201,666,754.16 and 386,363,159.28

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Solution

The fourth proportional to 800,594,736.84, 1,201,666,754.16 and 386,363,159.28 is: 579,918,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,594,736.84 : 1,201,666,754.16 = 386,363,159.28 : x
  2. Step 2: Convert to fraction form
    800,594,736.84/1,201,666,754.16 = 386,363,159.28/x
  3. Step 3: Cross multiply
    800,594,736.84x = 1,201,666,754.16 × 386,363,159.28
  4. Step 4: Simplify right side
    800,594,736.84x = 464,279,763,539,000,704
  5. Step 5: Solve for x
    x = 464,279,763,539,000,704/800,594,736.84
  6. Step 6: Final answer
    x = 579,918,580.74

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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.