Home / 453,340,920.60-678,877,640.10-362,641,656.60

Finding the Fourth Proportional to 453,340,920.60, 678,877,640.10 and 362,641,656.60

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Solution

The fourth proportional to 453,340,920.60, 678,877,640.10 and 362,641,656.60 is: 543,055,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,340,920.60 : 678,877,640.10 = 362,641,656.60 : x
  2. Step 2: Convert to fraction form
    453,340,920.60/678,877,640.10 = 362,641,656.60/x
  3. Step 3: Cross multiply
    453,340,920.60x = 678,877,640.10 × 362,641,656.60
  4. Step 4: Simplify right side
    453,340,920.60x = 246,189,312,034,562,624
  5. Step 5: Solve for x
    x = 246,189,312,034,562,624/453,340,920.60
  6. Step 6: Final answer
    x = 543,055,569.99

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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.