Home / 680,298,950.40-1,020,348,892.80-195,574,214.40

Finding the Fourth Proportional to 680,298,950.40, 1,020,348,892.80 and 195,574,214.40

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Solution

The fourth proportional to 680,298,950.40, 1,020,348,892.80 and 195,574,214.40 is: 293,332,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,298,950.40 : 1,020,348,892.80 = 195,574,214.40 : x
  2. Step 2: Convert to fraction form
    680,298,950.40/1,020,348,892.80 = 195,574,214.40/x
  3. Step 3: Cross multiply
    680,298,950.40x = 1,020,348,892.80 × 195,574,214.40
  4. Step 4: Simplify right side
    680,298,950.40x = 199,553,933,123,269,824
  5. Step 5: Solve for x
    x = 199,553,933,123,269,824/680,298,950.40
  6. Step 6: Final answer
    x = 293,332,707.64

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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.