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Finding the Fourth Proportional to 934,457,834.70, 1,401,686,752.05 and 934,457,834.70

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Solution

The fourth proportional to 934,457,834.70, 1,401,686,752.05 and 934,457,834.70 is: 1,401,686,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,457,834.70 : 1,401,686,752.05 = 934,457,834.70 : x
  2. Step 2: Convert to fraction form
    934,457,834.70/1,401,686,752.05 = 934,457,834.70/x
  3. Step 3: Cross multiply
    934,457,834.70x = 1,401,686,752.05 × 934,457,834.70
  4. Step 4: Simplify right side
    934,457,834.70x = 1,309,817,167,248,318,720
  5. Step 5: Solve for x
    x = 1,309,817,167,248,318,720/934,457,834.70
  6. Step 6: Final answer
    x = 1,401,686,752.05

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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.