Home / 1,141,786,426.16-1,575,637,143.92-633,146,328.78

Finding the Fourth Proportional to 1,141,786,426.16, 1,575,637,143.92 and 633,146,328.78

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Solution

The fourth proportional to 1,141,786,426.16, 1,575,637,143.92 and 633,146,328.78 is: 873,726,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,786,426.16 : 1,575,637,143.92 = 633,146,328.78 : x
  2. Step 2: Convert to fraction form
    1,141,786,426.16/1,575,637,143.92 = 633,146,328.78/x
  3. Step 3: Cross multiply
    1,141,786,426.16x = 1,575,637,143.92 × 633,146,328.78
  4. Step 4: Simplify right side
    1,141,786,426.16x = 997,608,873,168,100,608
  5. Step 5: Solve for x
    x = 997,608,873,168,100,608/1,141,786,426.16
  6. Step 6: Final answer
    x = 873,726,338.23

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Double scale
Find fourth proportional to 1,141,786,427.16, 1,575,637,145.30 and 633,146,329.78
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1.5x scale

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.