Home / 993,789,543-1,371,531,603.42-597,440,845.20

Finding the Fourth Proportional to 993,789,543, 1,371,531,603.42 and 597,440,845.20

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Solution

The fourth proportional to 993,789,543, 1,371,531,603.42 and 597,440,845.20 is: 824,529,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,789,543 : 1,371,531,603.42 = 597,440,845.20 : x
  2. Step 2: Convert to fraction form
    993,789,543/1,371,531,603.42 = 597,440,845.20/x
  3. Step 3: Cross multiply
    993,789,543x = 1,371,531,603.42 × 597,440,845.20
  4. Step 4: Simplify right side
    993,789,543x = 819,409,000,365,756,160
  5. Step 5: Solve for x
    x = 819,409,000,365,756,160/993,789,543
  6. Step 6: Final answer
    x = 824,529,706.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.