Home / 10,762,374,579.40-16,143,561,869.10-8,007,384,435.40

Finding the Fourth Proportional to 10,762,374,579.40, 16,143,561,869.10 and 8,007,384,435.40

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Solution

The fourth proportional to 10,762,374,579.40, 16,143,561,869.10 and 8,007,384,435.40 is: 12,011,076,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762,374,579.40 : 16,143,561,869.10 = 8,007,384,435.40 : x
  2. Step 2: Convert to fraction form
    10,762,374,579.40/16,143,561,869.10 = 8,007,384,435.40/x
  3. Step 3: Cross multiply
    10,762,374,579.40x = 16,143,561,869.10 × 8,007,384,435.40
  4. Step 4: Simplify right side
    10,762,374,579.40x = 129,267,706,042,548,273,152
  5. Step 5: Solve for x
    x = 129,267,706,042,548,273,152/10,762,374,579.40
  6. Step 6: Final answer
    x = 12,011,076,653.10

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Double scale
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Similar ratio
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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.