Home / 559,872,032.80-839,808,049.20-196,403,130.40

Finding the Fourth Proportional to 559,872,032.80, 839,808,049.20 and 196,403,130.40

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Solution

The fourth proportional to 559,872,032.80, 839,808,049.20 and 196,403,130.40 is: 294,604,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,032.80 : 839,808,049.20 = 196,403,130.40 : x
  2. Step 2: Convert to fraction form
    559,872,032.80/839,808,049.20 = 196,403,130.40/x
  3. Step 3: Cross multiply
    559,872,032.80x = 839,808,049.20 × 196,403,130.40
  4. Step 4: Simplify right side
    559,872,032.80x = 164,940,929,797,997,216
  5. Step 5: Solve for x
    x = 164,940,929,797,997,216/559,872,032.80
  6. Step 6: Final answer
    x = 294,604,695.60

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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.