Home / 1,140,806,609,169.80-1,574,350,875,976.50-626,990,616,100.76

Finding the Fourth Proportional to 1,140,806,609,169.80, 1,574,350,875,976.50 and 626,990,616,100.76

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Solution

The fourth proportional to 1,140,806,609,169.80, 1,574,350,875,976.50 and 626,990,616,100.76 is: 865,267,800,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,806,609,169.80 : 1,574,350,875,976.50 = 626,990,616,100.76 : x
  2. Step 2: Convert to fraction form
    1,140,806,609,169.80/1,574,350,875,976.50 = 626,990,616,100.76/x
  3. Step 3: Cross multiply
    1,140,806,609,169.80x = 1,574,350,875,976.50 × 626,990,616,100.76
  4. Step 4: Simplify right side
    1,140,806,609,169.80x = 987,103,225,687,276,932,562,944
  5. Step 5: Solve for x
    x = 987,103,225,687,276,932,562,944/1,140,806,609,169.80
  6. Step 6: Final answer
    x = 865,267,800,653.45

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Double scale
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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.