Home / 885,911,700.80-1,328,867,551.20-472,663,179.20

Finding the Fourth Proportional to 885,911,700.80, 1,328,867,551.20 and 472,663,179.20

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Solution

The fourth proportional to 885,911,700.80, 1,328,867,551.20 and 472,663,179.20 is: 708,994,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,911,700.80 : 1,328,867,551.20 = 472,663,179.20 : x
  2. Step 2: Convert to fraction form
    885,911,700.80/1,328,867,551.20 = 472,663,179.20/x
  3. Step 3: Cross multiply
    885,911,700.80x = 1,328,867,551.20 × 472,663,179.20
  4. Step 4: Simplify right side
    885,911,700.80x = 628,106,761,485,910,784
  5. Step 5: Solve for x
    x = 628,106,761,485,910,784/885,911,700.80
  6. Step 6: Final answer
    x = 708,994,768.80

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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.