Home / 446,834,128.40-670,251,192.60-123,718,000.40

Finding the Fourth Proportional to 446,834,128.40, 670,251,192.60 and 123,718,000.40

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Solution

The fourth proportional to 446,834,128.40, 670,251,192.60 and 123,718,000.40 is: 185,577,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,834,128.40 : 670,251,192.60 = 123,718,000.40 : x
  2. Step 2: Convert to fraction form
    446,834,128.40/670,251,192.60 = 123,718,000.40/x
  3. Step 3: Cross multiply
    446,834,128.40x = 670,251,192.60 × 123,718,000.40
  4. Step 4: Simplify right side
    446,834,128.40x = 82,922,137,314,187,280
  5. Step 5: Solve for x
    x = 82,922,137,314,187,280/446,834,128.40
  6. Step 6: Final answer
    x = 185,577,000.60

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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.