Home / 8,989,114,905.63-12,404,698,405.16-4,974,543,631.71

Finding the Fourth Proportional to 8,989,114,905.63, 12,404,698,405.16 and 4,974,543,631.71

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Solution

The fourth proportional to 8,989,114,905.63, 12,404,698,405.16 and 4,974,543,631.71 is: 6,864,715,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,114,905.63 : 12,404,698,405.16 = 4,974,543,631.71 : x
  2. Step 2: Convert to fraction form
    8,989,114,905.63/12,404,698,405.16 = 4,974,543,631.71/x
  3. Step 3: Cross multiply
    8,989,114,905.63x = 12,404,698,405.16 × 4,974,543,631.71
  4. Step 4: Simplify right side
    8,989,114,905.63x = 61,707,713,454,647,001,088
  5. Step 5: Solve for x
    x = 61,707,713,454,647,001,088/8,989,114,905.63
  6. Step 6: Final answer
    x = 6,864,715,169.68

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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.