Home / 453,276,378.55-679,914,567.83-354,640,928.95

Finding the Fourth Proportional to 453,276,378.55, 679,914,567.83 and 354,640,928.95

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Solution

The fourth proportional to 453,276,378.55, 679,914,567.83 and 354,640,928.95 is: 531,961,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,276,378.55 : 679,914,567.83 = 354,640,928.95 : x
  2. Step 2: Convert to fraction form
    453,276,378.55/679,914,567.83 = 354,640,928.95/x
  3. Step 3: Cross multiply
    453,276,378.55x = 679,914,567.83 × 354,640,928.95
  4. Step 4: Simplify right side
    453,276,378.55x = 241,125,533,940,095,776
  5. Step 5: Solve for x
    x = 241,125,533,940,095,776/453,276,378.55
  6. Step 6: Final answer
    x = 531,961,393.43

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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.