Home / 1,085,554,668.18-1,624,223,062.75-643,134,966.42

Finding the Fourth Proportional to 1,085,554,668.18, 1,624,223,062.75 and 643,134,966.42

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Solution

The fourth proportional to 1,085,554,668.18, 1,624,223,062.75 and 643,134,966.42 is: 962,268,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,554,668.18 : 1,624,223,062.75 = 643,134,966.42 : x
  2. Step 2: Convert to fraction form
    1,085,554,668.18/1,624,223,062.75 = 643,134,966.42/x
  3. Step 3: Cross multiply
    1,085,554,668.18x = 1,624,223,062.75 × 643,134,966.42
  4. Step 4: Simplify right side
    1,085,554,668.18x = 1,044,594,644,920,310,784
  5. Step 5: Solve for x
    x = 1,044,594,644,920,310,784/1,085,554,668.18
  6. Step 6: Final answer
    x = 962,268,115.59

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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.