Home / 559,529,123.80-839,293,685.70-525,488,906.20

Finding the Fourth Proportional to 559,529,123.80, 839,293,685.70 and 525,488,906.20

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Solution

The fourth proportional to 559,529,123.80, 839,293,685.70 and 525,488,906.20 is: 788,233,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,529,123.80 : 839,293,685.70 = 525,488,906.20 : x
  2. Step 2: Convert to fraction form
    559,529,123.80/839,293,685.70 = 525,488,906.20/x
  3. Step 3: Cross multiply
    559,529,123.80x = 839,293,685.70 × 525,488,906.20
  4. Step 4: Simplify right side
    559,529,123.80x = 441,039,520,879,059,584
  5. Step 5: Solve for x
    x = 441,039,520,879,059,584/559,529,123.80
  6. Step 6: Final answer
    x = 788,233,359.30

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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.