Home / 645,816,737.80-967,938,103.28-334,752,861.36

Finding the Fourth Proportional to 645,816,737.80, 967,938,103.28 and 334,752,861.36

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Solution

The fourth proportional to 645,816,737.80, 967,938,103.28 and 334,752,861.36 is: 501,721,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,816,737.80 : 967,938,103.28 = 334,752,861.36 : x
  2. Step 2: Convert to fraction form
    645,816,737.80/967,938,103.28 = 334,752,861.36/x
  3. Step 3: Cross multiply
    645,816,737.80x = 967,938,103.28 × 334,752,861.36
  4. Step 4: Simplify right side
    645,816,737.80x = 324,020,049,693,097,280
  5. Step 5: Solve for x
    x = 324,020,049,693,097,280/645,816,737.80
  6. Step 6: Final answer
    x = 501,721,356.43

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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.