Home / 1,300,752,005.90-1,950,482,406.45-471,672,553.10

Finding the Fourth Proportional to 1,300,752,005.90, 1,950,482,406.45 and 471,672,553.10

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Solution

The fourth proportional to 1,300,752,005.90, 1,950,482,406.45 and 471,672,553.10 is: 707,274,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,752,005.90 : 1,950,482,406.45 = 471,672,553.10 : x
  2. Step 2: Convert to fraction form
    1,300,752,005.90/1,950,482,406.45 = 471,672,553.10/x
  3. Step 3: Cross multiply
    1,300,752,005.90x = 1,950,482,406.45 × 471,672,553.10
  4. Step 4: Simplify right side
    1,300,752,005.90x = 919,989,016,426,903,424
  5. Step 5: Solve for x
    x = 919,989,016,426,903,424/1,300,752,005.90
  6. Step 6: Final answer
    x = 707,274,724.35

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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.