Home / 1,241,013,376.75-1,861,882,737.60-400,636,402.13

Finding the Fourth Proportional to 1,241,013,376.75, 1,861,882,737.60 and 400,636,402.13

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Solution

The fourth proportional to 1,241,013,376.75, 1,861,882,737.60 and 400,636,402.13 is: 601,071,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,013,376.75 : 1,861,882,737.60 = 400,636,402.13 : x
  2. Step 2: Convert to fraction form
    1,241,013,376.75/1,861,882,737.60 = 400,636,402.13/x
  3. Step 3: Cross multiply
    1,241,013,376.75x = 1,861,882,737.60 × 400,636,402.13
  4. Step 4: Simplify right side
    1,241,013,376.75x = 745,938,001,183,912,320
  5. Step 5: Solve for x
    x = 745,938,001,183,912,320/1,241,013,376.75
  6. Step 6: Final answer
    x = 601,071,684.77

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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.