Home / 559,529,120.80-839,293,681.20-525,488,903.20

Finding the Fourth Proportional to 559,529,120.80, 839,293,681.20 and 525,488,903.20

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Solution

The fourth proportional to 559,529,120.80, 839,293,681.20 and 525,488,903.20 is: 788,233,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,529,120.80 : 839,293,681.20 = 525,488,903.20 : x
  2. Step 2: Convert to fraction form
    559,529,120.80/839,293,681.20 = 525,488,903.20/x
  3. Step 3: Cross multiply
    559,529,120.80x = 839,293,681.20 × 525,488,903.20
  4. Step 4: Simplify right side
    559,529,120.80x = 441,039,515,996,478,464
  5. Step 5: Solve for x
    x = 441,039,515,996,478,464/559,529,120.80
  6. Step 6: Final answer
    x = 788,233,354.80

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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.