Home / 1,049,019,239.12-1,447,608,630-579,110,490.16

Finding the Fourth Proportional to 1,049,019,239.12, 1,447,608,630 and 579,110,490.16

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Solution

The fourth proportional to 1,049,019,239.12, 1,447,608,630 and 579,110,490.16 is: 799,151,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,019,239.12 : 1,447,608,630 = 579,110,490.16 : x
  2. Step 2: Convert to fraction form
    1,049,019,239.12/1,447,608,630 = 579,110,490.16/x
  3. Step 3: Cross multiply
    1,049,019,239.12x = 1,447,608,630 × 579,110,490.16
  4. Step 4: Simplify right side
    1,049,019,239.12x = 838,325,343,279,145,984
  5. Step 5: Solve for x
    x = 838,325,343,279,145,984/1,049,019,239.12
  6. Step 6: Final answer
    x = 799,151,542.71

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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.