Home / 1,015,082,901.84-1,522,328,965.40-393,159,421.76

Finding the Fourth Proportional to 1,015,082,901.84, 1,522,328,965.40 and 393,159,421.76

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Solution

The fourth proportional to 1,015,082,901.84, 1,522,328,965.40 and 393,159,421.76 is: 589,624,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,082,901.84 : 1,522,328,965.40 = 393,159,421.76 : x
  2. Step 2: Convert to fraction form
    1,015,082,901.84/1,522,328,965.40 = 393,159,421.76/x
  3. Step 3: Cross multiply
    1,015,082,901.84x = 1,522,328,965.40 × 393,159,421.76
  4. Step 4: Simplify right side
    1,015,082,901.84x = 598,517,975,765,163,008
  5. Step 5: Solve for x
    x = 598,517,975,765,163,008/1,015,082,901.84
  6. Step 6: Final answer
    x = 589,624,723.93

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Double scale
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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.