Home / 28,584,666,244.40-39,446,621,724.28-15,724,029,981.60

Finding the Fourth Proportional to 28,584,666,244.40, 39,446,621,724.28 and 15,724,029,981.60

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Solution

The fourth proportional to 28,584,666,244.40, 39,446,621,724.28 and 15,724,029,981.60 is: 21,699,041,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584,666,244.40 : 39,446,621,724.28 = 15,724,029,981.60 : x
  2. Step 2: Convert to fraction form
    28,584,666,244.40/39,446,621,724.28 = 15,724,029,981.60/x
  3. Step 3: Cross multiply
    28,584,666,244.40x = 39,446,621,724.28 × 15,724,029,981.60
  4. Step 4: Simplify right side
    28,584,666,244.40x = 620,259,862,665,412,608,000
  5. Step 5: Solve for x
    x = 620,259,862,665,412,608,000/28,584,666,244.40
  6. Step 6: Final answer
    x = 21,699,041,624.70

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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.