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Finding the Fourth Proportional to 1,237,354,712.03, 1,707,581,864.52 and 672,872,608.10

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Solution

The fourth proportional to 1,237,354,712.03, 1,707,581,864.52 and 672,872,608.10 is: 928,581,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,354,712.03 : 1,707,581,864.52 = 672,872,608.10 : x
  2. Step 2: Convert to fraction form
    1,237,354,712.03/1,707,581,864.52 = 672,872,608.10/x
  3. Step 3: Cross multiply
    1,237,354,712.03x = 1,707,581,864.52 × 672,872,608.10
  4. Step 4: Simplify right side
    1,237,354,712.03x = 1,148,985,062,728,102,144
  5. Step 5: Solve for x
    x = 1,148,985,062,728,102,144/1,237,354,712.03
  6. Step 6: Final answer
    x = 928,581,797.57

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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.