Home / 474,366,931.32-654,590,623.20-288,707,427.48

Finding the Fourth Proportional to 474,366,931.32, 654,590,623.20 and 288,707,427.48

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Solution

The fourth proportional to 474,366,931.32, 654,590,623.20 and 288,707,427.48 is: 398,394,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,931.32 : 654,590,623.20 = 288,707,427.48 : x
  2. Step 2: Convert to fraction form
    474,366,931.32/654,590,623.20 = 288,707,427.48/x
  3. Step 3: Cross multiply
    474,366,931.32x = 654,590,623.20 × 288,707,427.48
  4. Step 4: Simplify right side
    474,366,931.32x = 188,985,174,876,602,016
  5. Step 5: Solve for x
    x = 188,985,174,876,602,016/474,366,931.32
  6. Step 6: Final answer
    x = 398,394,496.75

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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.