Home / 559,872,075.20-839,808,112.80-384,520,164.80

Finding the Fourth Proportional to 559,872,075.20, 839,808,112.80 and 384,520,164.80

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Solution

The fourth proportional to 559,872,075.20, 839,808,112.80 and 384,520,164.80 is: 576,780,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,075.20 : 839,808,112.80 = 384,520,164.80 : x
  2. Step 2: Convert to fraction form
    559,872,075.20/839,808,112.80 = 384,520,164.80/x
  3. Step 3: Cross multiply
    559,872,075.20x = 839,808,112.80 × 384,520,164.80
  4. Step 4: Simplify right side
    559,872,075.20x = 322,923,153,934,232,960
  5. Step 5: Solve for x
    x = 322,923,153,934,232,960/559,872,075.20
  6. Step 6: Final answer
    x = 576,780,247.20

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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.