Home / 717,384,302.40-1,076,265,410.40-257,274,494.40

Finding the Fourth Proportional to 717,384,302.40, 1,076,265,410.40 and 257,274,494.40

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Solution

The fourth proportional to 717,384,302.40, 1,076,265,410.40 and 257,274,494.40 is: 385,979,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,384,302.40 : 1,076,265,410.40 = 257,274,494.40 : x
  2. Step 2: Convert to fraction form
    717,384,302.40/1,076,265,410.40 = 257,274,494.40/x
  3. Step 3: Cross multiply
    717,384,302.40x = 1,076,265,410.40 × 257,274,494.40
  4. Step 4: Simplify right side
    717,384,302.40x = 276,895,639,300,868,544
  5. Step 5: Solve for x
    x = 276,895,639,300,868,544/717,384,302.40
  6. Step 6: Final answer
    x = 385,979,506.90

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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.