Home / 739,721,016.05-1,020,778,727.04-405,195,022.67

Finding the Fourth Proportional to 739,721,016.05, 1,020,778,727.04 and 405,195,022.67

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Solution

The fourth proportional to 739,721,016.05, 1,020,778,727.04 and 405,195,022.67 is: 559,149,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,721,016.05 : 1,020,778,727.04 = 405,195,022.67 : x
  2. Step 2: Convert to fraction form
    739,721,016.05/1,020,778,727.04 = 405,195,022.67/x
  3. Step 3: Cross multiply
    739,721,016.05x = 1,020,778,727.04 × 405,195,022.67
  4. Step 4: Simplify right side
    739,721,016.05x = 413,614,459,438,922,624
  5. Step 5: Solve for x
    x = 413,614,459,438,922,624/739,721,016.05
  6. Step 6: Final answer
    x = 559,149,260.96

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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.