Home / 1,821,761,702.81-2,514,032,336.10-986,386,839.29

Finding the Fourth Proportional to 1,821,761,702.81, 2,514,032,336.10 and 986,386,839.29

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Solution

The fourth proportional to 1,821,761,702.81, 2,514,032,336.10 and 986,386,839.29 is: 1,361,214,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,761,702.81 : 2,514,032,336.10 = 986,386,839.29 : x
  2. Step 2: Convert to fraction form
    1,821,761,702.81/2,514,032,336.10 = 986,386,839.29/x
  3. Step 3: Cross multiply
    1,821,761,702.81x = 2,514,032,336.10 × 986,386,839.29
  4. Step 4: Simplify right side
    1,821,761,702.81x = 2,479,808,409,861,031,424
  5. Step 5: Solve for x
    x = 2,479,808,409,861,031,424/1,821,761,702.81
  6. Step 6: Final answer
    x = 1,361,214,480.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.