Home / 1,149,700,981.90-1,724,551,472.85-331,839,964.30

Finding the Fourth Proportional to 1,149,700,981.90, 1,724,551,472.85 and 331,839,964.30

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Solution

The fourth proportional to 1,149,700,981.90, 1,724,551,472.85 and 331,839,964.30 is: 497,759,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,700,981.90 : 1,724,551,472.85 = 331,839,964.30 : x
  2. Step 2: Convert to fraction form
    1,149,700,981.90/1,724,551,472.85 = 331,839,964.30/x
  3. Step 3: Cross multiply
    1,149,700,981.90x = 1,724,551,472.85 × 331,839,964.30
  4. Step 4: Simplify right side
    1,149,700,981.90x = 572,275,099,184,056,384
  5. Step 5: Solve for x
    x = 572,275,099,184,056,384/1,149,700,981.90
  6. Step 6: Final answer
    x = 497,759,946.45

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Double scale
Find fourth proportional to 1,149,700,982.90, 1,724,551,474.35 and 331,839,965.30
Similar ratio
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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.