Home / 18,432,294,921.77-25,436,611,207.94-9,974,209,459.19

Finding the Fourth Proportional to 18,432,294,921.77, 25,436,611,207.94 and 9,974,209,459.19

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Solution

The fourth proportional to 18,432,294,921.77, 25,436,611,207.94 and 9,974,209,459.19 is: 13,764,432,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,294,921.77 : 25,436,611,207.94 = 9,974,209,459.19 : x
  2. Step 2: Convert to fraction form
    18,432,294,921.77/25,436,611,207.94 = 9,974,209,459.19/x
  3. Step 3: Cross multiply
    18,432,294,921.77x = 25,436,611,207.94 × 9,974,209,459.19
  4. Step 4: Simplify right side
    18,432,294,921.77x = 253,710,088,119,796,465,664
  5. Step 5: Solve for x
    x = 253,710,088,119,796,465,664/18,432,294,921.77
  6. Step 6: Final answer
    x = 13,764,432,980.09

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Double scale
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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.