Home / 18,432,294,878.67-25,436,611,148.50-9,974,209,416.09

Finding the Fourth Proportional to 18,432,294,878.67, 25,436,611,148.50 and 9,974,209,416.09

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Solution

The fourth proportional to 18,432,294,878.67, 25,436,611,148.50 and 9,974,209,416.09 is: 13,764,432,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,294,878.67 : 25,436,611,148.50 = 9,974,209,416.09 : x
  2. Step 2: Convert to fraction form
    18,432,294,878.67/25,436,611,148.50 = 9,974,209,416.09/x
  3. Step 3: Cross multiply
    18,432,294,878.67x = 25,436,611,148.50 × 9,974,209,416.09
  4. Step 4: Simplify right side
    18,432,294,878.67x = 253,710,086,430,699,552,768
  5. Step 5: Solve for x
    x = 253,710,086,430,699,552,768/18,432,294,878.67
  6. Step 6: Final answer
    x = 13,764,432,920.63

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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.