Home / 316,727,712.80-475,091,569.20-265,709,376.80

Finding the Fourth Proportional to 316,727,712.80, 475,091,569.20 and 265,709,376.80

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Solution

The fourth proportional to 316,727,712.80, 475,091,569.20 and 265,709,376.80 is: 398,564,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,727,712.80 : 475,091,569.20 = 265,709,376.80 : x
  2. Step 2: Convert to fraction form
    316,727,712.80/475,091,569.20 = 265,709,376.80/x
  3. Step 3: Cross multiply
    316,727,712.80x = 475,091,569.20 × 265,709,376.80
  4. Step 4: Simplify right side
    316,727,712.80x = 126,236,284,775,066,080
  5. Step 5: Solve for x
    x = 126,236,284,775,066,080/316,727,712.80
  6. Step 6: Final answer
    x = 398,564,065.20

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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.