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Finding the Fourth Proportional to 85,975,344,000.10, 128,963,016,000.15 and 85,975,344,000.10

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Solution

The fourth proportional to 85,975,344,000.10, 128,963,016,000.15 and 85,975,344,000.10 is: 128,963,016,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,975,344,000.10 : 128,963,016,000.15 = 85,975,344,000.10 : x
  2. Step 2: Convert to fraction form
    85,975,344,000.10/128,963,016,000.15 = 85,975,344,000.10/x
  3. Step 3: Cross multiply
    85,975,344,000.10x = 128,963,016,000.15 × 85,975,344,000.10
  4. Step 4: Simplify right side
    85,975,344,000.10x = 11,087,639,663,903,296,716,800
  5. Step 5: Solve for x
    x = 11,087,639,663,903,296,716,800/85,975,344,000.10
  6. Step 6: Final answer
    x = 128,963,016,000.15

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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.