Home / 474,366,901.48-654,590,582.04-288,707,397.64

Finding the Fourth Proportional to 474,366,901.48, 654,590,582.04 and 288,707,397.64

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Solution

The fourth proportional to 474,366,901.48, 654,590,582.04 and 288,707,397.64 is: 398,394,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,901.48 : 654,590,582.04 = 288,707,397.64 : x
  2. Step 2: Convert to fraction form
    474,366,901.48/654,590,582.04 = 288,707,397.64/x
  3. Step 3: Cross multiply
    474,366,901.48x = 654,590,582.04 × 288,707,397.64
  4. Step 4: Simplify right side
    474,366,901.48x = 188,985,143,459,867,520
  5. Step 5: Solve for x
    x = 188,985,143,459,867,520/474,366,901.48
  6. Step 6: Final answer
    x = 398,394,455.58

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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.