Home / 8,938,655,115.45-13,403,327,047.71-4,215,708,919.57

Finding the Fourth Proportional to 8,938,655,115.45, 13,403,327,047.71 and 4,215,708,919.57

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Solution

The fourth proportional to 8,938,655,115.45, 13,403,327,047.71 and 4,215,708,919.57 is: 6,321,367,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,655,115.45 : 13,403,327,047.71 = 4,215,708,919.57 : x
  2. Step 2: Convert to fraction form
    8,938,655,115.45/13,403,327,047.71 = 4,215,708,919.57/x
  3. Step 3: Cross multiply
    8,938,655,115.45x = 13,403,327,047.71 × 4,215,708,919.57
  4. Step 4: Simplify right side
    8,938,655,115.45x = 56,504,525,386,944,880,640
  5. Step 5: Solve for x
    x = 56,504,525,386,944,880,640/8,938,655,115.45
  6. Step 6: Final answer
    x = 6,321,367,661.82

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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.