Home / 1,140,806,609,168.50-1,574,350,875,974.90-626,990,616,099.50

Finding the Fourth Proportional to 1,140,806,609,168.50, 1,574,350,875,974.90 and 626,990,616,099.50

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Solution

The fourth proportional to 1,140,806,609,168.50, 1,574,350,875,974.90 and 626,990,616,099.50 is: 865,267,800,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,806,609,168.50 : 1,574,350,875,974.90 = 626,990,616,099.50 : x
  2. Step 2: Convert to fraction form
    1,140,806,609,168.50/1,574,350,875,974.90 = 626,990,616,099.50/x
  3. Step 3: Cross multiply
    1,140,806,609,168.50x = 1,574,350,875,974.90 × 626,990,616,099.50
  4. Step 4: Simplify right side
    1,140,806,609,168.50x = 987,103,225,684,290,051,244,032
  5. Step 5: Solve for x
    x = 987,103,225,684,290,051,244,032/1,140,806,609,168.50
  6. Step 6: Final answer
    x = 865,267,800,651.82

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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.