Home / 9,215,037,751.86-12,716,661,563.64-4,985,856,845.94

Finding the Fourth Proportional to 9,215,037,751.86, 12,716,661,563.64 and 4,985,856,845.94

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Solution

The fourth proportional to 9,215,037,751.86, 12,716,661,563.64 and 4,985,856,845.94 is: 6,880,433,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,037,751.86 : 12,716,661,563.64 = 4,985,856,845.94 : x
  2. Step 2: Convert to fraction form
    9,215,037,751.86/12,716,661,563.64 = 4,985,856,845.94/x
  3. Step 3: Cross multiply
    9,215,037,751.86x = 12,716,661,563.64 × 4,985,856,845.94
  4. Step 4: Simplify right side
    9,215,037,751.86x = 63,403,454,114,576,547,840
  5. Step 5: Solve for x
    x = 63,403,454,114,576,547,840/9,215,037,751.86
  6. Step 6: Final answer
    x = 6,880,433,463.42

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1.5x scale

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.