Home / 982,901,011.38-1,356,394,441.65-536,864,256.40

Finding the Fourth Proportional to 982,901,011.38, 1,356,394,441.65 and 536,864,256.40

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Solution

The fourth proportional to 982,901,011.38, 1,356,394,441.65 and 536,864,256.40 is: 740,867,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,901,011.38 : 1,356,394,441.65 = 536,864,256.40 : x
  2. Step 2: Convert to fraction form
    982,901,011.38/1,356,394,441.65 = 536,864,256.40/x
  3. Step 3: Cross multiply
    982,901,011.38x = 1,356,394,441.65 × 536,864,256.40
  4. Step 4: Simplify right side
    982,901,011.38x = 728,199,693,301,520,512
  5. Step 5: Solve for x
    x = 728,199,693,301,520,512/982,901,011.38
  6. Step 6: Final answer
    x = 740,867,783.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.