Home / 885,736,015.30-1,328,604,022.95-516,892,341.70

Finding the Fourth Proportional to 885,736,015.30, 1,328,604,022.95 and 516,892,341.70

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Solution

The fourth proportional to 885,736,015.30, 1,328,604,022.95 and 516,892,341.70 is: 775,338,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,015.30 : 1,328,604,022.95 = 516,892,341.70 : x
  2. Step 2: Convert to fraction form
    885,736,015.30/1,328,604,022.95 = 516,892,341.70/x
  3. Step 3: Cross multiply
    885,736,015.30x = 1,328,604,022.95 × 516,892,341.70
  4. Step 4: Simplify right side
    885,736,015.30x = 686,745,244,614,666,112
  5. Step 5: Solve for x
    x = 686,745,244,614,666,112/885,736,015.30
  6. Step 6: Final answer
    x = 775,338,512.55

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Double scale
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Similar ratio
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1.5x scale

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.