Home / 424,642,804.18-636,668,077.83-188,163,708.64

Finding the Fourth Proportional to 424,642,804.18, 636,668,077.83 and 188,163,708.64

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Solution

The fourth proportional to 424,642,804.18, 636,668,077.83 and 188,163,708.64 is: 282,114,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,642,804.18 : 636,668,077.83 = 188,163,708.64 : x
  2. Step 2: Convert to fraction form
    424,642,804.18/636,668,077.83 = 188,163,708.64/x
  3. Step 3: Cross multiply
    424,642,804.18x = 636,668,077.83 × 188,163,708.64
  4. Step 4: Simplify right side
    424,642,804.18x = 119,797,826,694,895,664
  5. Step 5: Solve for x
    x = 119,797,826,694,895,664/424,642,804.18
  6. Step 6: Final answer
    x = 282,114,345.32

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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.