Home / 18,432,294,867.16-25,436,611,132.58-9,974,209,404.58

Finding the Fourth Proportional to 18,432,294,867.16, 25,436,611,132.58 and 9,974,209,404.58

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Solution

The fourth proportional to 18,432,294,867.16, 25,436,611,132.58 and 9,974,209,404.58 is: 13,764,432,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,294,867.16 : 25,436,611,132.58 = 9,974,209,404.58 : x
  2. Step 2: Convert to fraction form
    18,432,294,867.16/25,436,611,132.58 = 9,974,209,404.58/x
  3. Step 3: Cross multiply
    18,432,294,867.16x = 25,436,611,132.58 × 9,974,209,404.58
  4. Step 4: Simplify right side
    18,432,294,867.16x = 253,710,085,979,223,785,472
  5. Step 5: Solve for x
    x = 253,710,085,979,223,785,472/18,432,294,867.16
  6. Step 6: Final answer
    x = 13,764,432,904.73

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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.