Home / 362,188,890.40-543,283,335.60-260,908,045.60

Finding the Fourth Proportional to 362,188,890.40, 543,283,335.60 and 260,908,045.60

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Solution

The fourth proportional to 362,188,890.40, 543,283,335.60 and 260,908,045.60 is: 391,362,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,188,890.40 : 543,283,335.60 = 260,908,045.60 : x
  2. Step 2: Convert to fraction form
    362,188,890.40/543,283,335.60 = 260,908,045.60/x
  3. Step 3: Cross multiply
    362,188,890.40x = 543,283,335.60 × 260,908,045.60
  4. Step 4: Simplify right side
    362,188,890.40x = 141,746,993,298,444,912
  5. Step 5: Solve for x
    x = 141,746,993,298,444,912/362,188,890.40
  6. Step 6: Final answer
    x = 391,362,068.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.