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Finding the Fourth Proportional to 903,642,000.30, 1,355,463,001.35 and 903,642,000.30

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Solution

The fourth proportional to 903,642,000.30, 1,355,463,001.35 and 903,642,000.30 is: 1,355,463,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,642,000.30 : 1,355,463,001.35 = 903,642,000.30 : x
  2. Step 2: Convert to fraction form
    903,642,000.30/1,355,463,001.35 = 903,642,000.30/x
  3. Step 3: Cross multiply
    903,642,000.30x = 1,355,463,001.35 × 903,642,000.30
  4. Step 4: Simplify right side
    903,642,000.30x = 1,224,853,297,872,555,520
  5. Step 5: Solve for x
    x = 1,224,853,297,872,555,520/903,642,000.30
  6. Step 6: Final answer
    x = 1,355,463,001.35

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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.