Home / 1,153,019,904.30-1,729,529,856.45-531,233,934.30

Finding the Fourth Proportional to 1,153,019,904.30, 1,729,529,856.45 and 531,233,934.30

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Solution

The fourth proportional to 1,153,019,904.30, 1,729,529,856.45 and 531,233,934.30 is: 796,850,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,019,904.30 : 1,729,529,856.45 = 531,233,934.30 : x
  2. Step 2: Convert to fraction form
    1,153,019,904.30/1,729,529,856.45 = 531,233,934.30/x
  3. Step 3: Cross multiply
    1,153,019,904.30x = 1,729,529,856.45 × 531,233,934.30
  4. Step 4: Simplify right side
    1,153,019,904.30x = 918,784,950,131,247,744
  5. Step 5: Solve for x
    x = 918,784,950,131,247,744/1,153,019,904.30
  6. Step 6: Final answer
    x = 796,850,901.45

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Half scale
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Double scale
Find fourth proportional to 1,153,019,905.30, 1,729,529,857.95 and 531,233,935.30
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.