Home / 647,669,895.30-971,277,528.96-181,205,972.10

Finding the Fourth Proportional to 647,669,895.30, 971,277,528.96 and 181,205,972.10

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Solution

The fourth proportional to 647,669,895.30, 971,277,528.96 and 181,205,972.10 is: 271,745,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,669,895.30 : 971,277,528.96 = 181,205,972.10 : x
  2. Step 2: Convert to fraction form
    647,669,895.30/971,277,528.96 = 181,205,972.10/x
  3. Step 3: Cross multiply
    647,669,895.30x = 971,277,528.96 × 181,205,972.10
  4. Step 4: Simplify right side
    647,669,895.30x = 176,001,288,814,082,688
  5. Step 5: Solve for x
    x = 176,001,288,814,082,688/647,669,895.30
  6. Step 6: Final answer
    x = 271,745,359.93

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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.