Home / 316,304,072.80-473,659,846.80-208,012,386.40

Finding the Fourth Proportional to 316,304,072.80, 473,659,846.80 and 208,012,386.40

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Solution

The fourth proportional to 316,304,072.80, 473,659,846.80 and 208,012,386.40 is: 311,494,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,304,072.80 : 473,659,846.80 = 208,012,386.40 : x
  2. Step 2: Convert to fraction form
    316,304,072.80/473,659,846.80 = 208,012,386.40/x
  3. Step 3: Cross multiply
    316,304,072.80x = 473,659,846.80 × 208,012,386.40
  4. Step 4: Simplify right side
    316,304,072.80x = 98,527,115,074,726,416
  5. Step 5: Solve for x
    x = 98,527,115,074,726,416/316,304,072.80
  6. Step 6: Final answer
    x = 311,494,930.19

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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.