Home / 520,032,145.80-780,163,692.30-174,976,033.80

Finding the Fourth Proportional to 520,032,145.80, 780,163,692.30 and 174,976,033.80

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Solution

The fourth proportional to 520,032,145.80, 780,163,692.30 and 174,976,033.80 is: 262,502,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,032,145.80 : 780,163,692.30 = 174,976,033.80 : x
  2. Step 2: Convert to fraction form
    520,032,145.80/780,163,692.30 = 174,976,033.80/x
  3. Step 3: Cross multiply
    520,032,145.80x = 780,163,692.30 × 174,976,033.80
  4. Step 4: Simplify right side
    520,032,145.80x = 136,509,948,593,417,600
  5. Step 5: Solve for x
    x = 136,509,948,593,417,600/520,032,145.80
  6. Step 6: Final answer
    x = 262,502,904.28

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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.