Home / 869,288,140.32-1,199,508,751.02-587,643,382.86

Finding the Fourth Proportional to 869,288,140.32, 1,199,508,751.02 and 587,643,382.86

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Solution

The fourth proportional to 869,288,140.32, 1,199,508,751.02 and 587,643,382.86 is: 810,874,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,288,140.32 : 1,199,508,751.02 = 587,643,382.86 : x
  2. Step 2: Convert to fraction form
    869,288,140.32/1,199,508,751.02 = 587,643,382.86/x
  3. Step 3: Cross multiply
    869,288,140.32x = 1,199,508,751.02 × 587,643,382.86
  4. Step 4: Simplify right side
    869,288,140.32x = 704,883,380,219,566,336
  5. Step 5: Solve for x
    x = 704,883,380,219,566,336/869,288,140.32
  6. Step 6: Final answer
    x = 810,874,263.12

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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.