Home / 514,352,404.12-709,825,828.65-288,295,566.10

Finding the Fourth Proportional to 514,352,404.12, 709,825,828.65 and 288,295,566.10

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Solution

The fourth proportional to 514,352,404.12, 709,825,828.65 and 288,295,566.10 is: 397,858,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,352,404.12 : 709,825,828.65 = 288,295,566.10 : x
  2. Step 2: Convert to fraction form
    514,352,404.12/709,825,828.65 = 288,295,566.10/x
  3. Step 3: Cross multiply
    514,352,404.12x = 709,825,828.65 × 288,295,566.10
  4. Step 4: Simplify right side
    514,352,404.12x = 204,639,639,100,197,696
  5. Step 5: Solve for x
    x = 204,639,639,100,197,696/514,352,404.12
  6. Step 6: Final answer
    x = 397,858,817.15

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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.