Home / 784,235,468.64-1,176,480,876.72-231,593,792.64

Finding the Fourth Proportional to 784,235,468.64, 1,176,480,876.72 and 231,593,792.64

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Solution

The fourth proportional to 784,235,468.64, 1,176,480,876.72 and 231,593,792.64 is: 347,428,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,235,468.64 : 1,176,480,876.72 = 231,593,792.64 : x
  2. Step 2: Convert to fraction form
    784,235,468.64/1,176,480,876.72 = 231,593,792.64/x
  3. Step 3: Cross multiply
    784,235,468.64x = 1,176,480,876.72 × 231,593,792.64
  4. Step 4: Simplify right side
    784,235,468.64x = 272,465,668,208,017,088
  5. Step 5: Solve for x
    x = 272,465,668,208,017,088/784,235,468.64
  6. Step 6: Final answer
    x = 347,428,392.50

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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.