Home / 723,064,269.96-984,479,606.85-720,768,444.84

Finding the Fourth Proportional to 723,064,269.96, 984,479,606.85 and 720,768,444.84

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Solution

The fourth proportional to 723,064,269.96, 984,479,606.85 and 720,768,444.84 is: 981,353,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,064,269.96 : 984,479,606.85 = 720,768,444.84 : x
  2. Step 2: Convert to fraction form
    723,064,269.96/984,479,606.85 = 720,768,444.84/x
  3. Step 3: Cross multiply
    723,064,269.96x = 984,479,606.85 × 720,768,444.84
  4. Step 4: Simplify right side
    723,064,269.96x = 709,581,835,205,969,152
  5. Step 5: Solve for x
    x = 709,581,835,205,969,152/723,064,269.96
  6. Step 6: Final answer
    x = 981,353,753.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.