Home / 18,432,294,865.17-25,436,611,129.82-9,974,209,402.59

Finding the Fourth Proportional to 18,432,294,865.17, 25,436,611,129.82 and 9,974,209,402.59

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Solution

The fourth proportional to 18,432,294,865.17, 25,436,611,129.82 and 9,974,209,402.59 is: 13,764,432,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,294,865.17 : 25,436,611,129.82 = 9,974,209,402.59 : x
  2. Step 2: Convert to fraction form
    18,432,294,865.17/25,436,611,129.82 = 9,974,209,402.59/x
  3. Step 3: Cross multiply
    18,432,294,865.17x = 25,436,611,129.82 × 9,974,209,402.59
  4. Step 4: Simplify right side
    18,432,294,865.17x = 253,710,085,900,974,358,528
  5. Step 5: Solve for x
    x = 253,710,085,900,974,358,528/18,432,294,865.17
  6. Step 6: Final answer
    x = 13,764,432,901.97

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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.