Home / 514,803,887.20-772,205,830.80-308,179,626.40

Finding the Fourth Proportional to 514,803,887.20, 772,205,830.80 and 308,179,626.40

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Solution

The fourth proportional to 514,803,887.20, 772,205,830.80 and 308,179,626.40 is: 462,269,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,803,887.20 : 772,205,830.80 = 308,179,626.40 : x
  2. Step 2: Convert to fraction form
    514,803,887.20/772,205,830.80 = 308,179,626.40/x
  3. Step 3: Cross multiply
    514,803,887.20x = 772,205,830.80 × 308,179,626.40
  4. Step 4: Simplify right side
    514,803,887.20x = 237,978,104,439,845,568
  5. Step 5: Solve for x
    x = 237,978,104,439,845,568/514,803,887.20
  6. Step 6: Final answer
    x = 462,269,439.60

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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.