Home / 825,312,033.20-1,237,968,049.80-549,813,018.80

Finding the Fourth Proportional to 825,312,033.20, 1,237,968,049.80 and 549,813,018.80

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Solution

The fourth proportional to 825,312,033.20, 1,237,968,049.80 and 549,813,018.80 is: 824,719,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,312,033.20 : 1,237,968,049.80 = 549,813,018.80 : x
  2. Step 2: Convert to fraction form
    825,312,033.20/1,237,968,049.80 = 549,813,018.80/x
  3. Step 3: Cross multiply
    825,312,033.20x = 1,237,968,049.80 × 549,813,018.80
  4. Step 4: Simplify right side
    825,312,033.20x = 680,650,950,638,486,656
  5. Step 5: Solve for x
    x = 680,650,950,638,486,656/825,312,033.20
  6. Step 6: Final answer
    x = 824,719,528.20

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1.5x scale

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.