Home / 1,140,806,609,160.70-1,574,350,875,964-626,990,616,091.55

Finding the Fourth Proportional to 1,140,806,609,160.70, 1,574,350,875,964 and 626,990,616,091.55

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Solution

The fourth proportional to 1,140,806,609,160.70, 1,574,350,875,964 and 626,990,616,091.55 is: 865,267,800,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,806,609,160.70 : 1,574,350,875,964 = 626,990,616,091.55 : x
  2. Step 2: Convert to fraction form
    1,140,806,609,160.70/1,574,350,875,964 = 626,990,616,091.55/x
  3. Step 3: Cross multiply
    1,140,806,609,160.70x = 1,574,350,875,964 × 626,990,616,091.55
  4. Step 4: Simplify right side
    1,140,806,609,160.70x = 987,103,225,664,939,881,398,272
  5. Step 5: Solve for x
    x = 987,103,225,664,939,881,398,272/1,140,806,609,160.70
  6. Step 6: Final answer
    x = 865,267,800,640.78

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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.