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Finding the Fourth Proportional to 1,062,885,647.80, 1,594,328,471.70 and 372,862,653.40

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Solution

The fourth proportional to 1,062,885,647.80, 1,594,328,471.70 and 372,862,653.40 is: 559,293,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,885,647.80 : 1,594,328,471.70 = 372,862,653.40 : x
  2. Step 2: Convert to fraction form
    1,062,885,647.80/1,594,328,471.70 = 372,862,653.40/x
  3. Step 3: Cross multiply
    1,062,885,647.80x = 1,594,328,471.70 × 372,862,653.40
  4. Step 4: Simplify right side
    1,062,885,647.80x = 594,465,544,349,228,800
  5. Step 5: Solve for x
    x = 594,465,544,349,228,800/1,062,885,647.80
  6. Step 6: Final answer
    x = 559,293,980.10

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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.