Home / 1,070,073,069,009.40-1,605,260,384,370-343,760,855,606.61

Finding the Fourth Proportional to 1,070,073,069,009.40, 1,605,260,384,370 and 343,760,855,606.61

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Solution

The fourth proportional to 1,070,073,069,009.40, 1,605,260,384,370 and 343,760,855,606.61 is: 515,689,721,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,073,069,009.40 : 1,605,260,384,370 = 343,760,855,606.61 : x
  2. Step 2: Convert to fraction form
    1,070,073,069,009.40/1,605,260,384,370 = 343,760,855,606.61/x
  3. Step 3: Cross multiply
    1,070,073,069,009.40x = 1,605,260,384,370 × 343,760,855,606.61
  4. Step 4: Simplify right side
    1,070,073,069,009.40x = 551,825,683,202,426,821,148,672
  5. Step 5: Solve for x
    x = 551,825,683,202,426,821,148,672/1,070,073,069,009.40
  6. Step 6: Final answer
    x = 515,689,721,743.27

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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.