Home / 464,875,436.80-641,480,628.48-286,230,956.80

Finding the Fourth Proportional to 464,875,436.80, 641,480,628.48 and 286,230,956.80

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Solution

The fourth proportional to 464,875,436.80, 641,480,628.48 and 286,230,956.80 is: 394,969,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,875,436.80 : 641,480,628.48 = 286,230,956.80 : x
  2. Step 2: Convert to fraction form
    464,875,436.80/641,480,628.48 = 286,230,956.80/x
  3. Step 3: Cross multiply
    464,875,436.80x = 641,480,628.48 × 286,230,956.80
  4. Step 4: Simplify right side
    464,875,436.80x = 183,611,614,058,495,744
  5. Step 5: Solve for x
    x = 183,611,614,058,495,744/464,875,436.80
  6. Step 6: Final answer
    x = 394,969,489.72

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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.