Home / 453,341,253.60-678,878,139.60-362,641,989.60

Finding the Fourth Proportional to 453,341,253.60, 678,878,139.60 and 362,641,989.60

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Solution

The fourth proportional to 453,341,253.60, 678,878,139.60 and 362,641,989.60 is: 543,056,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,341,253.60 : 678,878,139.60 = 362,641,989.60 : x
  2. Step 2: Convert to fraction form
    453,341,253.60/678,878,139.60 = 362,641,989.60/x
  3. Step 3: Cross multiply
    453,341,253.60x = 678,878,139.60 × 362,641,989.60
  4. Step 4: Simplify right side
    453,341,253.60x = 246,189,719,240,490,560
  5. Step 5: Solve for x
    x = 246,189,719,240,490,560/453,341,253.60
  6. Step 6: Final answer
    x = 543,056,069.32

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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.