Home / 825,312,022.20-1,237,968,033.30-549,813,007.80

Finding the Fourth Proportional to 825,312,022.20, 1,237,968,033.30 and 549,813,007.80

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Solution

The fourth proportional to 825,312,022.20, 1,237,968,033.30 and 549,813,007.80 is: 824,719,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,312,022.20 : 1,237,968,033.30 = 549,813,007.80 : x
  2. Step 2: Convert to fraction form
    825,312,022.20/1,237,968,033.30 = 549,813,007.80/x
  3. Step 3: Cross multiply
    825,312,022.20x = 1,237,968,033.30 × 549,813,007.80
  4. Step 4: Simplify right side
    825,312,022.20x = 680,650,927,948,923,520
  5. Step 5: Solve for x
    x = 680,650,927,948,923,520/825,312,022.20
  6. Step 6: Final answer
    x = 824,719,511.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.