Home / 1,577,747,307.42-2,177,099,890.02-908,908,879.86

Finding the Fourth Proportional to 1,577,747,307.42, 2,177,099,890.02 and 908,908,879.86

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Solution

The fourth proportional to 1,577,747,307.42, 2,177,099,890.02 and 908,908,879.86 is: 1,254,183,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,747,307.42 : 2,177,099,890.02 = 908,908,879.86 : x
  2. Step 2: Convert to fraction form
    1,577,747,307.42/2,177,099,890.02 = 908,908,879.86/x
  3. Step 3: Cross multiply
    1,577,747,307.42x = 2,177,099,890.02 × 908,908,879.86
  4. Step 4: Simplify right side
    1,577,747,307.42x = 1,978,785,422,381,407,488
  5. Step 5: Solve for x
    x = 1,978,785,422,381,407,488/1,577,747,307.42
  6. Step 6: Final answer
    x = 1,254,183,995.80

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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.