Home / 1,404,102,427.20-2,106,153,640.80-678,508,315.20

Finding the Fourth Proportional to 1,404,102,427.20, 2,106,153,640.80 and 678,508,315.20

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Solution

The fourth proportional to 1,404,102,427.20, 2,106,153,640.80 and 678,508,315.20 is: 1,017,762,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,102,427.20 : 2,106,153,640.80 = 678,508,315.20 : x
  2. Step 2: Convert to fraction form
    1,404,102,427.20/2,106,153,640.80 = 678,508,315.20/x
  3. Step 3: Cross multiply
    1,404,102,427.20x = 2,106,153,640.80 × 678,508,315.20
  4. Step 4: Simplify right side
    1,404,102,427.20x = 1,429,042,758,371,554,048
  5. Step 5: Solve for x
    x = 1,429,042,758,371,554,048/1,404,102,427.20
  6. Step 6: Final answer
    x = 1,017,762,472.80

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1.5x scale

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.