Home / 697,045,284.57-1,045,681,502.49-205,808,211.48

Finding the Fourth Proportional to 697,045,284.57, 1,045,681,502.49 and 205,808,211.48

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Solution

The fourth proportional to 697,045,284.57, 1,045,681,502.49 and 205,808,211.48 is: 308,745,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,045,284.57 : 1,045,681,502.49 = 205,808,211.48 : x
  2. Step 2: Convert to fraction form
    697,045,284.57/1,045,681,502.49 = 205,808,211.48/x
  3. Step 3: Cross multiply
    697,045,284.57x = 1,045,681,502.49 × 205,808,211.48
  4. Step 4: Simplify right side
    697,045,284.57x = 215,209,839,805,186,048
  5. Step 5: Solve for x
    x = 215,209,839,805,186,048/697,045,284.57
  6. Step 6: Final answer
    x = 308,745,851.34

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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.