Home / 514,351,405.59-709,824,451.52-288,294,567.39

Finding the Fourth Proportional to 514,351,405.59, 709,824,451.52 and 288,294,567.39

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Solution

The fourth proportional to 514,351,405.59, 709,824,451.52 and 288,294,567.39 is: 397,857,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,351,405.59 : 709,824,451.52 = 288,294,567.39 : x
  2. Step 2: Convert to fraction form
    514,351,405.59/709,824,451.52 = 288,294,567.39/x
  3. Step 3: Cross multiply
    514,351,405.59x = 709,824,451.52 × 288,294,567.39
  4. Step 4: Simplify right side
    514,351,405.59x = 204,638,533,174,523,168
  5. Step 5: Solve for x
    x = 204,638,533,174,523,168/514,351,405.59
  6. Step 6: Final answer
    x = 397,857,439.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.