Home / 559,872,077.80-839,808,116.70-386,983,604.20

Finding the Fourth Proportional to 559,872,077.80, 839,808,116.70 and 386,983,604.20

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Solution

The fourth proportional to 559,872,077.80, 839,808,116.70 and 386,983,604.20 is: 580,475,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,077.80 : 839,808,116.70 = 386,983,604.20 : x
  2. Step 2: Convert to fraction form
    559,872,077.80/839,808,116.70 = 386,983,604.20/x
  3. Step 3: Cross multiply
    559,872,077.80x = 839,808,116.70 × 386,983,604.20
  4. Step 4: Simplify right side
    559,872,077.80x = 324,991,971,836,980,224
  5. Step 5: Solve for x
    x = 324,991,971,836,980,224/559,872,077.80
  6. Step 6: Final answer
    x = 580,475,406.30

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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.