Home / 1,566,343,596.16-2,161,615,837.12-861,561,156.16

Finding the Fourth Proportional to 1,566,343,596.16, 2,161,615,837.12 and 861,561,156.16

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Solution

The fourth proportional to 1,566,343,596.16, 2,161,615,837.12 and 861,561,156.16 is: 1,188,988,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,343,596.16 : 2,161,615,837.12 = 861,561,156.16 : x
  2. Step 2: Convert to fraction form
    1,566,343,596.16/2,161,615,837.12 = 861,561,156.16/x
  3. Step 3: Cross multiply
    1,566,343,596.16x = 2,161,615,837.12 × 861,561,156.16
  4. Step 4: Simplify right side
    1,566,343,596.16x = 1,862,364,239,802,873,344
  5. Step 5: Solve for x
    x = 1,862,364,239,802,873,344/1,566,343,596.16
  6. Step 6: Final answer
    x = 1,188,988,319.27

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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.